Clinicopathological Factors in Relation to HER2 Status in Metastatic Gastric Cancer: A Retrospective Observational Study

1. Division of Medical Oncology, Ankara University Faculty of Medicine, Ankara, TURKEY

2. Division of Medical Oncology, İstanbul University Faculty of Medicine, İstanbul, TURKEY

3. Department of Internal Medicine, Ankara University Faculty of Medicine, Ankara, TURKEY

4. Division of Medical Oncology, University of Health Sciences Dr. Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital, Ankara, TURKEY

5. Division of Medical Oncology, Yıldırım Beyazıt University Faculty of Medicine, Ankara, TURKEY

6. Division of Medical Oncology, University of Health Sciences Gülhane Training and Research Hospital, Ankara, TURKEY

7. Department of Pathology, Ankara University Faculty of Medicine, Ankara, TURKEY