FHIT and neoplasm: At present, some tumor-associated genes have been identified near these loci, such as FHIT (3p), RASSF1A (3p), APC (5q), ANXI (9q), DEC1 (9q), RB1 (13q), BRCA2 (13q), ING1 (13q), and TP53 (17p).