The outline of the materials to be covered in this section:

1. Imaging Modalities and Procedures
   1. Fluoroscopy (Upper GI Series)
   2. Computed Tomography
       
2. Normal Anatomy
    
3. Iatrogenic Conditions
   1. Afferent Limb Syndrome
       
4. Inflammatory Diseases
   1. Gastritis
       
5. Ulcers
   1. Benign (Peptic Ulcer Disease)
   2. Malignancy Associated
   3. Zollinger-Ellison Syndrome
       
6. Pseudotumors
   1. Gastric Varices
   2. Gastric Diverticulum
   3. Double Pylorus
       
7. Neoplastic Diseases
   1. Benign
      1. Gastric Polyps
   2. Malignant
      1. Linitis Plastica
      2. Gastric Carcinoma
      3. Gastric Lymphoma
      4. Metastases
   3. GI Stromal Tumors (GISTs)
       
8. Others
   1. Hypertrophic Pyloric Stenosis
   2. Gastric Dilatation
   3. Bezoars
   4. Gastric Volvulus
   5. Menetrier's Disease
       
9. Quiz