Table 1.

Hereditary cancer syndromes that predispose to pancreatic cancer as well as cancers commonly associated with environmental risk factors. Associated cancers are listed in order of approximate frequency.

BRCA1/BRCA2	PJS	FAMMM	HNPCC	FAP	Environmental
Breast	Breast	Dysplastic Nevi	Colorectal	Colorectal	Lung
Ovarian	Colon	Melanoma	Endometrial	Duodenal/Periampullary	Bladder
Prostate	Pancreas	Pancreas	Ovarian	Desmoid	Pancreas
Pancreas	Stomach	Head and Neck	Hepatobiliary/Pancreas	Thyroid	Gastric