Technique of Intraoperative Consultation.- Quality Assurance in Frozen section.- Intraoperative Evaluation of the Gastrointestinal Tract.- Intraoperative Evaluation of the Liver, Extrahepatic Bile Ducts, Gallbladder, and Pancreas.- Head and Neck Pathology.- Thyroid and Parathyroid.- Frozen Section of Breast and Sentinel Lymph Node.- Genitourinary Pathology.- Frozen section in lung and pleural pathology.- Frozen Sections in Neuropathology.- Frozen Section in Gynecologic Pathology.- Dermatopathology.- Frozen Sections in Bone and Soft Tissue Pathology.- Frozen Section and Intraoperative Consultation in Hematopathology.- Frozen Sections in Kidney Transplantation.- Intra-operative consultation and molecular pathology.