劉卓然 黎靖 周宇 熊平福 楊粒 付文廣
摘要:
目的 探討HALP 評分在肝細(xì)胞癌(HCC)患者肝切除術(shù)后預(yù)后評估中的應(yīng)用價值,分析基于HALP評分的列線圖模型能否有效預(yù)測患者術(shù)后生存情況。方法 回顧性分析2013年7月—2020年3月在西南醫(yī)科大學(xué)附屬醫(yī)院肝膽外科手術(shù)治療的253例HCC患者臨床資料。通過繪制ROC曲線,計算出 HALP 和其他有關(guān)指標(biāo)的最佳截斷值。采用χ2檢驗分析HALP與臨床病理特征之間的關(guān)系。使用Kaplan-Meier方法繪制生存曲線,并采用Log-rank檢驗進(jìn)行比較。進(jìn)行單因素分析和多因素Cox回歸模型,分析HALP及其他臨床參數(shù)與患者預(yù)后的關(guān)系。通過 R 3.6 軟件構(gòu)建列線圖,使用C指數(shù)及校準(zhǔn)圖評價列線圖的預(yù)測能力,通過凈重新分類指數(shù)(NRI)、綜合判別改善指數(shù)(IDI)比較列線圖模型和傳統(tǒng)模型的預(yù)測能力。結(jié)果 Kaplan-Meier分析顯示高HALP組患者OS、RFS優(yōu)于低HALP組,差異均有統(tǒng)計學(xué)意義(P值均<0.001)。單因素Cox回歸分析顯示W(wǎng)BC、GGT、ALP、AFP、手術(shù)方式、微血管侵犯、TNM分期、分化程度、HALP、AST/ALT、NLR、MLR均與總生存期(OS)顯著相關(guān)(P值均<0.05),將單因素Cox回歸分析中有統(tǒng)計學(xué)意義的變量納入多因素Cox回歸分析,結(jié)果顯示HALP、AST/ALT、ALP、AFP、分化程度、TNM分期是HCC患者術(shù)后OS的獨立影響因素(P值均<0.05)。單因素Cox回歸分析顯示GGT、ALP、AFP、微血管侵犯、TNM分期、分化程度、HALP、AST/ALT、NLR、MLR均與無復(fù)發(fā)生存期(RFS)顯著相關(guān)(P值均<0.05);多因素Cox回歸分析,結(jié)果顯示HALP、AST/ALT、NLR、ALP、AFP、TNM分期是HCC患者術(shù)后RFS的獨立影響因素(P值均<0.05)。根據(jù)多因素分析結(jié)果分別構(gòu)建HCC患者OS、RFS的列線圖,計算預(yù)測OS列線圖的C指數(shù)為0.732(0.691~0.774),預(yù)測1、3、5年生存率的AUC分別為0.795、0.791、0.775。預(yù)測RFS列線圖的C指數(shù)為0.677(0.637~0.717),預(yù)測1、3、5年生存率的AUC分別為0.742、0.733、0.716;并且1、3、5年OS、RFS校準(zhǔn)圖表現(xiàn)出了較好的擬合度。結(jié)論 術(shù)前低水平HALP是接受手術(shù)治療的HCC患者長期預(yù)后不佳的預(yù)測因素,基于HALP評分的列線圖模型優(yōu)于BCLC分期模型,可以更好地預(yù)測HCC的預(yù)后情況。
關(guān)鍵詞:
癌, 肝細(xì)胞; 預(yù)后; 危險因素; 列線圖
基金項目:湖北陳孝平科技發(fā)展基金會(CXPJJH11900001-2019339)
Value of the nomogram based on HALP score in predicting the prognosis of patients with hepatocellular carcinoma after hepatectomy
LIU Zhuorana, LI Jinga, ZHOU Yua, XIONG Pingfua, YANG Lia, FU Wenguanga,b. (a. Department of General Surgery (Hepatobiliary Surgery), b. Academician (Expert) Workstation of Sichuan Province, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, China)
Corresponding author:
FU Wenguang, fuwg@swmu.edu.cn (ORCID: 0000-0003-3672-9728)
Abstract:
Objective To investigate the value of HALP score in evaluating the prognosis of patients with hepatocellular carcinoma (HCC) after hepatectomy and whether the nomogram based on HALP score could effectively predict the postoperative survival of patients. Methods A retrospective study was performed for the clinical data of 253 HCC patients who underwent surgical treatment in Department of Hepatobiliary Surgery, The Affiliated Hospital of Southwest Medical University, from July 2013 to March 2020. The receiver operating characteristic (ROC) curve was plotted to calculate the optimal cut-off values of HALP score and other related indicators; the chi-square test was used to investigate the association between HALP score and clinicopathological features; the Kaplan-Meier method was used to plot survival curves, and the Log-rank test method was used for comparison. The univariate and multivariate Cox regression analyses were used to investigate the association of HALP score and other clinical parameters with the prognosis of patients. R3.6 was used to establish a nomogram; C-index and calibration curve were used to evaluate the predictive ability of the nomogram, and net reclassification index (NRI) and integrated discrimination improvement (IDI) were used to compare predictive ability between the nomogram model and the conventional model. Results The Kaplan-Meier analysis showed that the high HALP group had significantly better overall survival (OS) and recurrence-free survival (RFS) than the low HALP group (P<0.001). The univariate Cox regression analysis showed that white blood cell count, gamma-glutamyl transpeptidase (GGT), alkaline phosphatase (ALP), alpha-fetoprotein (AFP), surgical approach, microvascular invasion, TNM stage, degree of tumor differentiation, HALP, aspartate aminotransferase (AST)/alanine aminotransferase (ALT) ratio, neutrophil-to-lymphocyte ratio (NLR), and monocyte-to-lymphocyte ratio (MLR) were significantly associated with OS (all P<0.05). The variables with statistical significance in the univariate Cox regression analysis were included in the multivariate Cox regression analysis, and the results showed that ALP, AST/ALT ratio, ALP, AFP, degree of tumor differentiation, and TNM stage were independent influencing factors for OS after surgery in HCC patients (all P<0.05). The univariate Cox regression analysis showed that GGT, ALP, AFP, microvascular invasion, TNM stage, degree of tumor differentiation, HALP, AST/ALT ratio, NLR, and MLR were significantly associated with RFS (all P<0.05), and the multivariate Cox regression analysis showed that HALP, AST/ALT ratio, NLR, ALP, AFP, and TNM stage were independent influencing factors for RFS after surgery in HCC patients (all P<0.05). The nomograms for OS and RFS of HCC patients were established based on the multivariate analysis. The nomogram for OS had a C-index of 0.732 (95% confidence interval [CI]: 0.691-0.774) and an area under the ROC curve of 0.795, 0.791, and 0.775, respectively, in predicting 1-, 3-, and 5-year survival rates, and the nomogram for RFS had a C-index of 0.677 (95%CI: 0.637-0.717) and an area under the ROC curve of 0.742, 0.733, and 0.716, respectively, in predicting 1-, 3-, and 5-year survival rates. The calibration curves of 1-, 3-, and 5-year OS were well fitted to those of 1-, 3-, and 5-year RFS. Conclusion A low level of HALP before surgery is a predictive factor for poor long-term prognosis in HCC patients undergoing surgical treatment, and the nomogram model based on HALP score is superior to the BCLC staging model and can better predict the prognosis of HCC.
Key words:
Carcinoma, Hepatocellular; Prognosis; ?????? Risk Factors; Nomograms
Research funding:
Chen Xiao-Ping for the Development of Science and Technology of Hubei Province (CXPJJH11900001-2019339)
原發(fā)性肝癌是目前我國第4位常見惡性腫瘤[1]。2020年,我國約有41萬人新診斷肝癌,39.1萬人死于該?。?]。盡管手術(shù)仍然是肝癌最有效的治療方法,但其療效仍不理想,肝癌患者術(shù)后5年生存率僅為37%~65%[3]。由于肝癌患者的傳統(tǒng)預(yù)后指數(shù),包括腫瘤大小、血管侵犯、TNM分期等在日常臨床使用中有一定的局限性。因此,有必要尋找新的指標(biāo)來幫助預(yù)測肝細(xì)胞癌(HCC)患者的預(yù)后。
研究[4]表明,營養(yǎng)和免疫在癌癥進(jìn)展過程中發(fā)揮著重要的作用。反映機體炎癥或營養(yǎng)狀態(tài)的一系列血液學(xué)指標(biāo),包括Alb[5]、Hb[6]、淋巴細(xì)胞(lymphocyte, LYM)[7]、 PLT[8]都與HCC預(yù)后相關(guān)。但是這些單一指標(biāo)的缺點是每種指標(biāo)只能反映疾病的炎癥或營養(yǎng)方面,不能全面反映疾病狀況。因此,基于這些研究,學(xué)者們構(gòu)建了炎癥指數(shù)的許多組合,例如NLR[9]、 MLR[10]、 AST/ALT[11]都已被用于預(yù)測HCC患者的預(yù)后,并且比單項指標(biāo)具有更高的準(zhǔn)確性。 HALP評分作為一項評價患者營養(yǎng)和免疫健康狀況的綜合指標(biāo),近年來已被證明具有較好的預(yù)測多種惡性腫瘤預(yù)后的能力,在食管癌[12]、胰腺癌[13]、胃癌[14]等疾病中陸續(xù)被報道。然而,該評分對接受手術(shù)切除病灶的HCC患者預(yù)后的價值尚未有相關(guān)研究。因此,本回顧性研究旨在探討術(shù)前HALP對于HCC患者預(yù)后的評估價值,并將HALP評分與其他臨床病理指標(biāo)聯(lián)合構(gòu)建列線圖模型,評估HCC患者術(shù)后的生存時間。
1 資料與方法
1.1 研究對象 回顧性分析2013年7月—2020年3月在本院肝膽外科手術(shù)治療的253例原發(fā)性肝癌患者臨床資料。納入標(biāo)準(zhǔn):(1)組織病理學(xué)證實為HCC;(2)接受肝切除術(shù);(3)無其他惡性腫瘤病史;(4)完整的臨床和隨訪資料;(5)術(shù)前未接受任何新輔助化療或放療者。排除標(biāo)準(zhǔn):(1)有其他惡性腫瘤;(2) 有全身感染、自身免疫性疾病或炎癥;(3)術(shù)前接受過免疫增強治療或近期有輸血史;(4)術(shù)后1個月內(nèi)死亡;(5)因其他原因死亡者。
1.2 數(shù)據(jù)收集 所有術(shù)前臨床病理數(shù)據(jù)均來自電子病歷系統(tǒng);患者完整的臨床資料包括年齡、性別、手術(shù)方式、組織病理類型、腫瘤分化程度、TNM分期等臨床及病理資料;Hb、Alb、LYM、PLT、AFP、活化部分凝血酶原時間(activated partial thromboplastin time, APTT)水平、TBil等實驗室檢查結(jié)果。手術(shù)前1周采集血樣并通過檢查結(jié)果計算HALP和NLR、MLR、AST/ALT。HALP=Hb(g/L)×Alb(g/L)×LYM(×109/L)/PLT(×109/L),NLR=中性粒細(xì)胞計數(shù)(×109/L)/LYM(×109/L),MLR=單核細(xì)胞計數(shù)(×109/L)/LYM(×109/L)。
1.3 隨訪 所有患者術(shù)后隨訪檢查包括腹部超聲、胸部X線片、血常規(guī)、血液生化(肝功能、腎功能)。如檢測到可疑病變且無法確定病變性質(zhì),則根據(jù)情況使用增強CT、MRI和其他檢查方式?;颊咴谛g(shù)后第1年每3個月復(fù)查1次,接下來的 2~3 年每 3~6 個月復(fù)查1次。3年后,隨訪期改為6個月。隨訪生存數(shù)據(jù)通過患者門診就診和電話隨訪獲得。計算手術(shù)完成與死亡或最后1次隨訪之間的時間間隔,以總生存期(OS)表示。無復(fù)發(fā)生存期(RFS)定義為術(shù)后到患者發(fā)現(xiàn)腫瘤復(fù)發(fā)/轉(zhuǎn)移或最后1次隨訪之間的時間間隔,隨訪截止時間為2022年9月。
1.4 統(tǒng)計學(xué)方法 使用SPSS 26.0軟件分析處理數(shù)據(jù)。繪制ROC曲線,并計算出 HALP 和其他有關(guān)指標(biāo)的最佳截斷值。采用χ2檢驗分析HALP與臨床病理特征之間的關(guān)系。使用Kaplan-Meier方法繪制生存曲線,并采用Log-rank檢驗進(jìn)行比較。采用單因素分析和多因素Cox回歸模型分析HALP及其他臨床參數(shù)與患者預(yù)后的關(guān)系。通過 R 3.6 軟件構(gòu)建列線圖,使用C指數(shù)及校準(zhǔn)圖評價列線圖的預(yù)測能力,通過凈重新分類指數(shù)(net reclassification index, NRI)、綜合判別改善指數(shù)(integrated discrimination improvement, IDI)比較列線圖模型和傳統(tǒng)模型的預(yù)測能力。P<0.05為差異有統(tǒng)計學(xué)意義。
2 結(jié)果
2.1 ROC曲線分析和截斷值確定 基于術(shù)前HALP及其單項指標(biāo)Alb、LYM、Hb、PLT預(yù)測OS繪制ROC曲線(圖1),HALP的ROC曲線下面積(AUC)大于各單項指標(biāo),差異均有統(tǒng)計學(xué)意義(HALP vs Alb:Z=3.788, P=0.000 2; HALP vs LYM:Z=2.388, P=0.016 9; HALP vs Hb:Z=4.099, P<0.000 1; HALP vs PLT:Z=2.501, P=0.012 4)。根據(jù)ROC曲線確定的HALP、NLR、MLR和AST/ALT的最佳截斷值見表1 。
2.2 HALP與臨床特征的關(guān)系 本研究共納入253例患者,其中女37例(14.6%),男216例(85.4%),平均年齡為(51.11±10.81)歲。接受開腹手術(shù)的有215例(85.0%),接受腹腔鏡手術(shù)38例(15.0%)。低分化41例(16.2%),中分化148例(58.5%),高分化64例(25.3%)。253例患者全部獲得隨訪,中位隨訪時間為37個月,其中115例(45.5%)患者存活,138例(54.5%)患者死亡。
根據(jù)最佳截斷值將253例肝癌患者分為低HALP組(HALP<53.22)和高HALP組(HALP≥53.22),臨床病理特征與HALP之間的關(guān)系見表2。 低HALP組患者的腫瘤大?。≒<0.001)、分化程度(P=0.041)、手術(shù)方式(P=0.003)與高HALP組比較,差異均有統(tǒng)計學(xué)意義。
2.3 Kaplan-Meier分析 低HALP組患者術(shù)后1、3、5年OS分別為69.1%、38.9%、29.9%,高HALP組患者術(shù)后1、3、5年OS分別為88.0%、75.8%、59.0%;低HALP組患者術(shù)后1、3、5年RFS分別為67.6%、33.0%、21.7%,高HALP組患者術(shù)后1、3、5年RFS分別為80.3%、55.9%、40.1%;高HALP組患者OS、RFS優(yōu)于低HALP組,差異均有統(tǒng)計學(xué)意義(χ2值分別為27.699、13.833,P值均<0.001)(圖2、3)。
2.4 HCC患者OS、RFS的單變量和多變量Cox回歸分析 單變量Cox回歸分析顯示W(wǎng)BC、GGT、ALP、AFP、手術(shù)方式、微血管侵犯、TNM分期、分化程度、HALP、AST/ALT、NLR、MLR均與OS顯著相關(guān)(P值均<0.05),將單因素Cox回歸分析中有統(tǒng)計學(xué)意義的變量納入多因素Cox回歸分析,結(jié)果顯示HALP、AST/ALT、ALP、AFP、分化程度、TNM分期是HCC患者術(shù)后OS的獨立影響因素(P值均<0.05)(表3)。
單變量Cox回歸分析顯示GGT、ALP、AFP、微血管侵犯、TNM分期、分化程度、HALP、AST/ALT、NLR、MLR均與RFS顯著相關(guān)(P值均<0.05)。將單因素Cox回歸分析中有統(tǒng)計學(xué)意義的變量納入多因素Cox回歸分析,結(jié)果顯示HALP、AST/ALT、NLR、ALP、AFP、TNM分期是HCC患者術(shù)后RFS的獨立影響因素(P值均<0.05)(表4)。
2.5 基于HALP評分的列線圖模型 根據(jù)多因素分析結(jié)果分別構(gòu)建HCC患者OS、RFS的列線圖(圖4、5),計算預(yù)測OS列線圖的C指數(shù)為0.732(0.691~0.774),預(yù)測1、3、5年生存率的AUC分別為0.795、0.791、0.775。
預(yù)測RFS列線圖的C指數(shù)為0.677(0.637~0.717),預(yù)測1、3、5年生存率的AUC分別為0.742、0.733、0.716。列線圖預(yù)測1、3、5年OS及RFS的校準(zhǔn)曲線在模型內(nèi)驗證表現(xiàn)良好(圖6、7);通過NRI和IDI可說明列線圖模型與傳統(tǒng)的BCLC分期模型相比,具有較好的預(yù)測能力(表5)。
3 討論
本研究首次證明了低HALP評分(<53.22)是HCC患者較差OS、RFS的獨立影響因素。隨后開發(fā)了基于HALP評分的列線圖模型,并以C指數(shù)為0.732、0.677的準(zhǔn)確度預(yù)測HCC患者的OS及RFS。
HALP作為一種既反映機體炎癥狀態(tài),又反應(yīng)營養(yǎng)狀況的綜合指標(biāo), HALP 評分的預(yù)測作用將有助于臨床醫(yī)生更準(zhǔn)確地及時識別高?;颊?,并在術(shù)后提供合理的治療選擇。
早在19世紀(jì),Virchow等[15-16]發(fā)現(xiàn)癌細(xì)胞基質(zhì)中浸潤著大量炎癥細(xì)胞,腫瘤的發(fā)展可能與炎癥反應(yīng)有關(guān) 。近年來,關(guān)于癌癥進(jìn)展和炎癥反應(yīng)、營養(yǎng)狀況之間關(guān)系的證據(jù)越來越多[17]。Hb、Alb水平反映了全身營養(yǎng)狀況,由于惡性腫瘤是一種慢性消耗疾病,超過30%的患者在診斷時會出現(xiàn)癌癥相關(guān)性貧血[18],并且許多研究表明Hb下降與惡性腫瘤的預(yù)后密切相關(guān)[19-20]。有研究提出,腫瘤細(xì)胞分泌的腫瘤壞死因子-α和IL- 6可以通過改變造血環(huán)境來降低Hb水平[21],并且貧血造成的缺氧可能增強腫瘤的惡性進(jìn)展和侵襲性,最終導(dǎo)致腫瘤對治療的抵抗力增加和長期預(yù)后不良[22]。低水平的 Alb 表明肝臟中蛋白質(zhì)合成功能障礙,這最終可能會損害機體免疫力[23]。并且,Gü等[24]研究表明低Alb血癥可能導(dǎo)致機體對癌細(xì)胞的免疫反應(yīng)較弱,從而促進(jìn)腫瘤的發(fā)展。LYM和PLT是全身炎癥反應(yīng)的基本組成部分, LYM是殺傷腫瘤最重要的細(xì)胞,當(dāng)LYM相對或絕對減少時,其抗腫瘤作用也會降低。LYM包括CD4+細(xì)胞、CD8+細(xì)胞等,CD4+細(xì)胞通過促進(jìn)B淋巴細(xì)胞產(chǎn)生抗體、誘導(dǎo)CD8+分化而發(fā)揮增強抗腫瘤免疫反應(yīng)的作用, LYM還可轉(zhuǎn)化為CD8+細(xì)胞識別腫瘤抗原并直接清除腫瘤細(xì)胞,從而顯示出抗腫瘤作用[25-26]。此外,血漿PLT水平與腫瘤侵襲和轉(zhuǎn)移有關(guān),其中的機制可能是PLT可通過形成腫瘤血栓促進(jìn)腫瘤細(xì)胞與血管內(nèi)皮的黏附,并且腫瘤血栓作為屏障保護(hù)腫瘤細(xì)胞免受自然殺傷細(xì)胞介導(dǎo)的裂解[27],腫瘤細(xì)胞還通過PLT介導(dǎo)的 TGF-β/Smad 途徑獲得侵襲和轉(zhuǎn)移能力[28],從而加速癌癥發(fā)展的進(jìn)程。
AST和ALT是廣泛存在于肝臟中的酶,當(dāng)肝細(xì)胞受損時,AST和ALT被釋放到血液中,因此檢測轉(zhuǎn)氨酶水平可以反應(yīng)肝癌的進(jìn)展。Zhang等[11]研究發(fā)現(xiàn),血清AST/ALT水平是肝癌術(shù)后重要的預(yù)后因素,高AST/ALT組原發(fā)性肝癌患者的生存時間較短,這與本研究結(jié)論一致。由于AST/ALT是非酒精性脂肪肝患者纖維化的危險因素[29],并且嚴(yán)重的肝纖維化會導(dǎo)致肝硬化進(jìn)而發(fā)展成肝癌,因此推測AST/ALT比值可能與肝癌的進(jìn)展相關(guān)。此外,ALP水平已被廣泛用于評估肝癌患者的預(yù)后,Xu等[30]和Wu等[31]研究表明升高的 ALP水平是 HCC 患者的風(fēng)險預(yù)測因子,高水平的ALP可以反映腫瘤的負(fù)擔(dān)過重,提示肝癌預(yù)后不良。在本研究中,TNM分期及AFP水平也是HCC患者預(yù)后的獨立危險因素,相關(guān)研究[32]表明,AFP水平不僅可以反映腫瘤細(xì)胞的增殖和遷移,還可以反映潛在的肝壞死和再生,可作為HCC預(yù)后的重要指標(biāo)。目前,預(yù)測HCC預(yù)后尚無統(tǒng)一的標(biāo)準(zhǔn),AJCC分期、BCLC分期作為常用的腫瘤分期系統(tǒng),兩者互有優(yōu)劣,AJCC分期被證實對HCC患者的預(yù)后具有較好的預(yù)測價值[33];BCLC分期系統(tǒng)通常用于將HCC患者分為不同的階段,以提供更佳的臨床管理,但較AJCC分期而言卻忽略了與HCC預(yù)后相關(guān)的重要因素,如遠(yuǎn)處轉(zhuǎn)移、淋巴結(jié)轉(zhuǎn)移等,本研究列線圖納入了腫瘤分化程度、TNM分期、炎癥相關(guān)標(biāo)志物,可被視為一個相對完善的預(yù)測系統(tǒng)。本研究結(jié)果顯示列線圖模型優(yōu)于BCLC分期,具有更好的預(yù)測HCC患者預(yù)后的能力。
既往有研究報道了高 NLR 和 MLR 值與HCC患者的不良預(yù)后相關(guān)。然而,本研究通過多變量分析發(fā)現(xiàn)MLR與HCC患者預(yù)后沒有統(tǒng)計學(xué)上的顯著關(guān)聯(lián),這與Mai等[34]研究結(jié)果相同 ,并且筆者發(fā)現(xiàn)NLR僅與HCC患者的RFS顯著相關(guān),而與OS無關(guān),造成這樣的結(jié)果可能是因為患者個體化的差異,使用了不同的截斷值所導(dǎo)致。
總之,HALP評分是預(yù)測接受肝切除術(shù)的HCC患者預(yù)后的可靠、簡單、易于獲取且價格低廉的指標(biāo)。HALP評分可用于指導(dǎo)不同HCC患者的風(fēng)險分級和治療策略的選擇。基于HALP的列線圖可以較為客觀、準(zhǔn)確地預(yù)測HCC患者肝切除術(shù)后的生存情況。但本研究樣本量較小,且為單中心回顧性,盡管本研究納入的患者具有完整數(shù)據(jù)和長期隨訪的結(jié)果,但未來仍需要多中心、大型前瞻性研究來證實這些結(jié)論。
倫理學(xué)聲明:本研究方案于2022年10月26日經(jīng)由西南醫(yī)科大學(xué)附屬醫(yī)院倫理委員會審批,批號:KY2022309,所納入患者均簽署知情同意書。
利益沖突聲明:本文不存在任何利益沖突。
作者貢獻(xiàn)聲明:劉卓然、楊粒負(fù)責(zé)撰寫論文;黎靖對研究思路有關(guān)鍵貢獻(xiàn);周宇參加資料的整理分析;熊平福參與修改文章關(guān)鍵內(nèi)容;付文廣指導(dǎo)論文寫作。
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收稿日期:
2022-10-31;錄用日期:2022-12-28
本文編輯:劉曉紅
引證本文:
LIU ZR, LI J, ZHOU Y,? et al.
Value of the nomogram based on HALP score in predicting the prognosis of patients with hepatocellular carcinoma after hepatectomy
[J]. J Clin Hepatol, 2023, 39(7): 1600-1608.
劉卓然, 黎靖, 周宇,? 等.
基于HALP評分的列線圖模型對肝細(xì)胞癌患者肝切除術(shù)后預(yù)后的預(yù)測價值
[J]. 臨床肝膽病雜志, 2023, 39(7): 1600-1608.