ERBB2 overexpression has also been reported in cancers of colon (Nakae et al, 1993; Kapitanovic et al, 1994; Maurer et al, 1998), prostate (Ross et al, 1993; Morote et al, 1999), ovary (Fajac et al, 1995) and pancreatic (Yamanaka et al, 1993) origin. The gene discussed is ERBB2; the disease is cancer.