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Primary tumor characteristics and survival. (A) Pathological pattern and survival: A, adenocarcinoma; MA, mucoid adenocarcinoma; ASC, adenosquamous carcinoma; (B) Tumor location and survival: RSC, right-sided colon; LSC, left-sided colon; R, rectum; (C) Tumor stage and survival: I, stage I; II, stage II; III, stage III; IV, stage IV; (D) Differentiation degree and survival: P, poorly; M, moderately; W, well.
