Hiroki Okabayashi

Clinical impact of postoperative changes in the psoas muscle mass and prognostic nutritional index for patients with biliary tract cancer: a retrospective cohort study

Abstract Background Low preoperative Psoas Muscle Index (PMI) and Prognostic Nutritional Index (PNI) values in patients with biliary tract cancer (BTC) indicate unfavorable prognoses. However, the impact of changes in PMI and PNI from pre- to postoperative on survival outcomes re...