Conventional and volumetric parameters of positron emission tomography: Can it be prognostic values in pancreatic cancer patients who underwent surgical resection after neoadjuvant treatment? - BYUN, Yoonhyeong; HAN, Youngmin; KANG, Jae Seung; CHOI, Yoo Jin; KIM, Hongbeom; KWON, Wooil; JANG, Jin-Young (Annals of hepato-biliary-pancreatic surgery, 2022)