ERBB2 and cancer: The 6 most enriched biological Reactome pathways were: (1) Generic Transcription Pathway (P = 6.97 × 10‐3), (2) Signal Transduction (P = .011), (3) RNA Polymerase II Transcription (P = .014), (4) Signaling by ERBB2 (P = .020), (5) Gene Expression (Transcription) (P = .033), and (6) Constitutive Signaling by Aberrant PI3K in Cancer (P = .0464).