1. Multiple primary carcinomas;Hanlon;Am. J. Cancer,1931
2. Primary carcinomas of the stomach and sigmoid colon occurring simultaneously;Maingot;Brit. M. J.,1938
3. Primary carcinomas of the stomach and sigmoid flexure occurring simultaneously in the same individual;Pemberton;Surgery,1937
4. Multiple primary malignant lesions;Stalker;Surg., Gynec. & Obst.,1939