Fig. 2From: Surgical resection of the primary tumor leads to prolonged survival in metastatic pancreatic neuroendocrine carcinomaKaplan-Meier curves for patients who did or did not undergo primary tumor resection. The overall survival (a) and cancer-specific survival (b) were displayed. The number of patients surviving in each group is given below each plot. p value was determined using a log-rank testBack to article page