| 1 | 17-117 | General Pathology - The Cell, Genome & Housekeeping; Cell Injury, Death & Adaptations; Intracellular Deposits; Cellular Aging; Inflammation & Repair; Hemodynamic Disorders (Edema, Thrombosis, Embolism, Infarction, Shock) |
| 2 | 118-211 | Hemodynamic Disorders & Immunopathology - Edema, Lymphatic Obstruction, Thrombosis; Diseases of the Immune System (Hypersensitivity, Autoimmunity, Transplantation, Immunodeficiencies, Amyloidosis) |
| 3 | 212-304 | Immunopathology & Neoplasia - Autoimmunity cont'd; Neoplasia - hallmarks of cancer, carcinogenesis, tumor immunity, clinical aspects of tumors |
| 4 | 305-393 | Neoplasia & Genetic Disorders - Chemical/Radiation Carcinogenesis; Genetic and Pediatric Diseases - Mendelian disorders, complex multigenic diseases, cytogenetic disorders, pediatric tumors |
| 5 | 394-486 | Environmental & Nutritional Pathology - Environmental diseases (occupational toxins, metals, air pollutants, radiation); Nutritional diseases (obesity, vitamins, malnutrition) |
| 6 | 487-580 | Blood Vessels - Vasculitis, Atherosclerosis, Hypertension, Aneurysms, Veins & Lymphatics; The Heart - Ischemic heart disease, Cardiomyopathies, Valvular diseases, Arrhythmias, Pericardial diseases, Cardiac tumors |
| 7 | 581-670 | Hematopoietic System - Red cell disorders (Anemias); White cell disorders (Lymphomas, Leukemias, Myelodysplastic Neoplasms, Myeloproliferative Neoplasms); Bleeding disorders; Spleen & Thymus |
| 8 | 671-768 | Lung - Congenital anomalies, Atelectasis, Pulmonary edema, ARDS; Obstructive & Restrictive lung diseases; Infections; Lung tumors; Pleural diseases |
| 9 | 769-869 | Liver, Gallbladder & Pancreas - Hepatic injury patterns; Cirrhosis; Viral hepatitis; Alcoholic & Metabolic liver disease; Liver tumors; Gallbladder disease; Exocrine & Endocrine pancreas |
| 10 | 870-973 | Kidney & Lower Urinary Tract - Glomerular diseases; Tubular diseases; Tubulointerstitial nephritis; Vascular diseases of kidney; Thrombotic microangiopathies; Urolithiasis; Tumors of kidney and bladder |
| 11 | 974-1070 | Genital Tract & Breast - Female genital tract (Vulva, Vagina, Cervix, Uterus, Ovary, Fallopian tube); Breast pathology (Benign lesions, Carcinoma including BRCA1/2 genetics, molecular subtypes) |
| 12 | 1071-1172 | Skin & Endocrine System - Skin disorders (Eczema, Psoriasis, Blistering diseases, Skin tumors including melanoma); Thyroid, Parathyroid, Adrenal, Pituitary, Pancreatic endocrine tumors; Multiple Endocrine Neoplasia |
| 13 | 1173-1225 | Nervous System & Musculoskeletal - CNS trauma, Vascular diseases of the brain, Demyelinating diseases (MS), Neurodegenerative diseases (Alzheimer's, Parkinson's), CNS tumors; Bones, Joints, Soft tissue tumors |