Sigmoid colonic metastasis by lymphatic spread occurring with unilateral Krukenberg tumor considered to be caused by stage IA early gastric cancer: A case report.

Gastric cancer is one of the most common malignancies in Asia, and the second most common cause of cancer-associated mortality in Japan. Colorectal metastases originating from gastric adenocarcinoma are extremely rare. The present study reports an unusual case of lymphogenous sigmoid metastasis of gastric adenocarcinoma occurring in a 58-year-old female patient.