Presidential Address.- Some Historical and Topical Remarks Made by the Chairmen.- Experiences in Early Detection of Carcinoma Colli Uteri.- Surgical Treatment on Malignant Tumors of the Stomach.- Pathogenesis of Stomach Cancer.- Problems of Formal Genesis of Carcinoma of the Stomach.- Discussions by Invitation.- Malignant Degeneration of Gastric Polyps?.- Pathogenesis of Stomach Cancer.- Early Gastric Cancer.- Surface Carcinoma of the Stomach.- The Borderline Between Benign and Malignant Lesions in the Stomach.- Incidence, Localization and Accuracy of Endoscopy and Guided Biopsy.- Discussions by Invitation.- False Diagnosis in the Diagnostics of Early Gastric Cancer.- Early Gastric Cancer.- Evaluation of Early Gastric Cancer from the Clinical Point of View.- Present Results in Early Detection of Stomach Cancer by Radiologic Means.- Forty Years of Early Diagnosis of Gastric Cancer.- Early Radiologic Diagnostics of Stomach Cancer.- Discussions by Invitation.- Present Results in Early Detection of Stomach Cancer by Radiologic Means.- Present Results in Early Detection of Stomach Cancer by Radiological Means.- Present Results of Gastrocamera Technique in Early Detection of Stomach Cancer.- Experiences with Gastrocamera Examinations as a Screening Method of the Stomach.- Early Diagnosis of Gastric Cancer. Methods and Limits.- Discussions by Invitation.- Some Remarks about Gastric Biopsy Under Direct Vision.- Early Diagnosis of Stomach Cancer with Special Reference to the Dye Scattering Method of Endoscopy.- Gastroscopy, Biopsy and Cytology in Early Detection of Stomach Cancer (Comparison of Efficiency of Different Techniques and of a Combination of Techniques).- Gastroscopy, Biopsy and Cytology in Early Detection of Stomach Cancer.- The Results of Cytology Using the Technique of the Gastroscopic Cell Brush, in Comparison with Biopsy, Endoscopy and Radiology.- Diagnosis of Stomach Cancer Today.- Advantages of Combined Cytological-Histological Examinations in Guided BiopsilSb