esophageal cancer concept

cancer esophagus esophageal endoscopy carcinoma stomach surgery treatment vector body oesophagus regurgitation digestive gastrointestinal gastric dysphagia oesophageal stage anatomical tumor achalasia manometry diagram obstruction exam medical inflammation reflux gerd gastroscopy pain system health disease human cell organ esophago gastrectomy oncology duodenum illustration gallbladder intestine liver pancreas inflamed infographic silhouette