Table 1.

Frequency of RASSF1A methylation in gastrointestinal cancers *.

Cancer Type	Methylation of RASSF1A
Hepatocellular carcinoma (HCC)	522 of 669 (78%) HCC
Hepatoblastoma (HB)	46 of 133 (34.6%) HB
Esophageal squamous cell carcinoma (ESCC)	442 of 884 (50%) ESCC
Pancreatic ductal adenocarcinoma (PDAC)	32 of 59 (54%) PDAC
Pancreatic endocrine tumor (PET)	114 of 175 (75%) PET
Colorectal carcinoma (CRC)	558 of 1567 (35.6%) CRC
Gastric cancer (GC)	179 of 378 (31%) GC

* see Tables S1 to S5 for experimental details and references.