Explore CT scan images comparing normal stomach anatomy to gastric adenocarcinoma in both early and advanced stages. Learn to identify key features of a healthy stomach, including body wall thickness of 2-3mm and antral wall thickness of 5-7mm. Discover the characteristic signs of adenocarcinoma, such as focal wall thickening, elevated mucosa, strong mucosal enhancement, ulceration presenting as crater-like defects within thickened walls, and loss of rugal folds. This 13-minute video from Dr. Sam's Imaging Library provides valuable insights for medical professionals and students in radiology and gastroenterology.