Fig. 3From: Perioperative risk factors for survival outcomes in elective colorectal cancer surgery: a retrospective cohort studyKaplan–Meier survival curves for patients with colorectal cancer. a Tumor–node–metastasis (TNM) stage; b histological type; c lymphovascular invasion; d inhalational anesthetic type; e Klintrup–Makinen inflammatory cell infiltration grade (KM grade)Back to article page