I. Method.- 1. A Brief Review of Radiological Techniques for Examination of the Stomach and Duodenum.- 2. Why is a Standard Biphasic-Contrast Examination Necessary?.- 3. The Standard Biphasic-Contrast Gastric Series.- 4. Basic Principles for the Interpretation of Double-Contrast Studies.- II. Results.- 5. General Remarks.- 6. Quantitative Results in the Diagnosis of Malignant Lesions of the Stomach.- III. Radiological Atlas of Common Lesions of the Stomach and Duodenum.- 7. Stomach.- 8. Duodenum.- References.
