ERBB2 and cancer: ERBB2 CNG was seen in 18 subtypes of cancer (Figure 1), the most common malignancies of which were: breast (n = 68), non-small cell lung (NSCLC, n = 25), colorectal (n = 18), gastroesophageal (n = 17, 15 adenocarcinoma, 2 squamous), pancreatic (n = 11), uterine (n = 11), bladder/upper tract (n = 7), ovarian/fallopian tube (n = 4), biliary (n = 3), and small cell lung cancers (SCLC, n = 3) (Figure 1).