The duodenum, small intestine and colon.
Card's contents:FINKELSTEIN ARTHUR K. /współaut./ 192,919 STEIN GEORGE N., FINKELSTEIN ARTHUR K. The duodenum, small intestine and colon. Tumor atlas of the gastrointestinal tract. With a contribution by Stanley Baum. Chicago 1973 Year Book Medical Publishers Inc. 4° s. XV, nlb. 1, 373, ilustr. Atlas of Tumor Radiology.