CAP Cancer Protocols provide guidelines for malignant tumor reporting. Protocols incorporate WHO Blue Books and AJCC Cancer Staging Manual. Current version available in PDF and Word formats
NSIP is second most common interstitial lung disease after UIP. Typically affects middle-aged adults (40-50 years). More common in women due to collagen vascular disease association. Smoking is neither protective nor risk factor
UIP is not a disease but a histopathologic and radiologic pattern of interstitial lung disease. Diagnosis requires multidisciplinary team approach involving chest physicians, radiologists, and pathologists. Honeycombing, involving more than 5% of lung volume, is almost 100% specific
Lymphocytes are white blood cells making up 18-42% of circulating WBCs. Main types are T cells (cell-mediated immunity) and B cells (humoral immunity). Natural killer cells (NK cells) play role in innate immunity. Lymphocytes have large nuclei and can be classified as small or large
Autopsy is examination of dead person to determine cause of death. Pathologists perform autopsies to diagnose diseases and evaluate medical treatments. Autopsy can be forensic (legal) or clinical (medical)
Aspiration occurs when foreign substances enter windpipe and lungs. Can involve liquids, food, stomach acids, toxic fumes, or airborne particles. Different from choking as airways remain partially obstructed. Common in eating difficulties, drowning, unconscious vomiting, and reflux. Can lead to serious complications like aspiration pneumonia