the pre-existent lesions found at operation and pathological anatomical examination were : malignant lymphoma ( 4 cases ) , caecal adenocarcinoma ( 2 cases ) , leiomyofibroma of the ileum ( 1 case ) , caecal endometriosis ( 1 case ) , carcinoid appendix ( 1 case ) and meckel 's diverticulum ( 2 cases ) .
C1332866
caecal adenocarcinoma
C0007531
caecal