Uchida, Tsuyoshi Spontaneous regression of a carcinoid tumor that required resection owing to its reappearance and subsequent enlargement after 2 years: a case report. [electronic resource] - International cancer conference journal Apr 2019 - 58-60 p. digital Publication Type: Case Reports; Journal Article ISSN: 2192-3183 Standard No.: 10.1007/s13691-018-00353-3 doi