Fig. 1From: Clinical impact of primary tumor sidedness and sex on unresectable post-recurrence survival in resected pathological stage II-III colorectal cancers: a nationwide multicenter retrospective studyStudy cohort selection process. The Japanese Study Group for Follow-Up of Colorectal Cancer collected clinicopathological data from 22,638 patients with pathological stage II-III colorectal cancer who underwent radical surgery between January 2004 and December 2012 at 24 Japanese referral hospitals. A total of 964 patients with unresectable recurrent colorectal cancer treated with chemotherapy were included in the final study population. Patients treated with palliative chemotherapy were excludedBack to article page