Arnaud, J.P.

patient cancer treatment pancreatic group survival study adjuvant 5- fu trial adjuvant treatment treatment group periampullary pancreatic cancer radiotherapy pancreatic head cancer resection result randomized observation pancreatic ductal adenocarcinoma radiation trt group chemotherapy gitsg toxicity surgery difference recurrence hospital tumor pancreas observation group obs group adenocarcinoma pancreatic head carcinoma periampullary cancer adjuvant radiotherapy treatment arm number therapy month eortc chemoradiotherapy france klinkenbijl duration ductal 40 gy gitsg study netherland lymph node dissection pancreatic carcinoma 6 adjuvant chemoradiotherapy lymph analysis death course pathology progression-free survival gitsg trial 5- fluorouracil unresectable pancreatic carcinoma 5- fu treatment table tumor study group log-rank metastase fluorouracil ductal pancreatic cancer center others ann pathology review value radiation therapy point periampullary region progression university hospital