<prompt> For early diagnosis of CA stomach, which method is usedEndoscopyStaining with endoscopic biopsyPhysical examinationUltrasound abdomen  <response>: Diagnosis of Carcinoma stomach Endoscopy is the best method to diagnose gastric cancer as if visualizes the gastric mucosa and allows biopsy for a histological diagnosis Chromoendoscopy helps identification of mucosal abnormalities through topical stains Magnification endoscopy is used to magnify standard endoscopic field by 1.5 - 150 times Narrow band imaging affords increased visualization of the mictovasculature Confocal laser endomicroscopy permits in vivo, three dimensional microscopy including subsurface structures EUS is a tool for pre operative staging and selection for Neoadjuvant therapy Ref: Sabiston 20th edition Pgno : 1218-1221 