Fig. 1From: Value of lymphadenectomy in patients with surgically resected pancreatic neuroendocrine tumorsOverall survival for tumors of grade 1–3, grade 1 and grade 2/3 stratified by LNM from SHPCI (a log rank < 0.0001; b log rank > 0.9999; c log rank = 0.0003)Back to article page