HER2 Testing and Clinical Decision Making in Gastroesophageal Adenocarcinoma 27 Mar, 2017 | 00:53h | UTC HER2 Testing and Clinical Decision Making in Gastroesophageal Adenocarcinoma: Guideline From the College of American Pathologists, American Society for Clinical Pathology, and the American Society of Clinical Oncology (free) Source: EvidenceAlerts (free registration required)