Mixed neuroendocrine-non-neuroendocrine neoplasm of the colon treated with laparoscopic resection and adjuvant chemotherapy: a case report. - Tanaka Y; Takagi M; Nakayama T; Kawada S; Matsushita R; Matsushita T; Ozaki T; Takagi S; Komai S; Sumi Y (Clinical journal of gastroenterology, 2025)