[A Case of Mesenteric Malignant Lymphoma Treated Using Single-Port Surgery and an Umbilical ZigZag Incision].

A 73 -year-old man was found to have a mesenteric tumor on abdominal ultrasonography and computed tomography (CT). Single-port laparoscopic surgery using an umbilical ZigZag incision was performed. Operative findings revealed that the tumor involved the mesentery. The tumor and a section of small intestines were resected. Pathological examination diagnosed follicular lymphoma. Single-port laparoscopic surgery using an umbilical ZigZag incision is superior for manipulation of forceps and evisceration. This operative method may be useful for resection or biopsy of mesenteric tumors.