Oral Cavity and Oropharynx.- Neck.- Breast.- Mediastinum, Thymus, Cervical and Thoracic Trachea, and Lung.- Esophagus and Diaphragm.- Stomach and Abdominal Wall.- Small Bowel and Mesentery.- Colon and Appendix.- Rectum.- Pelvis.- Liver, Biliary Tree, and Gallbladder.- Pancreas and Duodenum.- Spleen.- Female Genital System.- Male Genital System.- Retroperitoneum.- Adrenal Glands.- Kidneys, Ureters, and Bladder.- Tumors of the Skin.