“…The majority of cancers did not occur in the gastointestinal lumen but in organs in which hamartomatous polyps were not found. Previous reports have described carcinomas of the tonsils (ll), lung (4, 9), bile duct (ll), gallbladder (12, 13), pancreas (4, 7, 9, 14, 15), breast (8,(15)(16)(17)(18), ovary (4) and cervix (19-24) in patients with P-J syndrome, suggesting that there is a generalized endodermal epithelial growth disturbance in the patients with P-J syndrome, who appear to be predisposed to develop malignancies.…”