[A Case of Resected Type 4 Rectal Cancer with Difficulty in Preoperative Diagnosis].

We reported a case of Type 4 rectal cancer performed laparoscopic surgery. A 73-year-old man had diarrhea and constipation and underwent colonoscopy. From the first colonoscopy, histological findings of biopsy showed non-neoplastic cells.

[A Case of Rectal Cancer with Protein-Losing Gastroenteropathy].

We report a case receiving laparoscopic surgical resection of rectal cancer with protein-losing gastroenteropathy. A 58- year-old man was referred to our hospital because of melena, diarrhea, and anorexia. He showed septic shock, anemia, and hypoproteinemia.

[A Case of Rectal GIST Resected using the TAMIS Method].

We reported a case of rectal gastrointestinal stromal tumor(GIST)performed transanal surgery. A 46-year-old woman was pointed out uterinal cancer and lower rectal GIST. After operation for uterine cancer, GIST was treated.

[A Case of Superior Mesenteric Artery Syndrome Following Transverse Colon Cancer Surgery].

We reported a case of superior mesenteric artery(SMA)syndrome after decreased body weight and unstable oral intakes due to anastomotic leakage of postoperative transverse colon cancer. A 63-year-old man underwent laparoscopic left hemicolectomy and D3 lymph node dissection with a diagnosis of transverse colon cancer. He had postoperative anastomotic leakage and was discharged after conservative treatment on postoperative day 35.