We report a case of cecal cancer with peritoneal dissemination. A 72-year-old man with cecal cancer(pT4N2M0H0P3, pStage IV )underwent ileocecal resection in 2010. The patient received 106 courses of chemotherapy(FOLFIRI plus Cmab) for peritoneal dissemination after surgery. However, follow-up CT performed 50 months after primary resection detected liver metastasis, which was resected in 2015. The patient received 19 courses of chemotherapy(FOLFIRI plus Cmab)after hepatectomy. The peritoneal dissemination with the diaphragm, retroperitoneal and right inguinal region, were growing 20 months after the 2nd operation. Surgical resection of the peritoneal dissemination was performed in 2016. The patient is alive 81 months after the 1st operation.