Oncology Terminology Medical Terminology AJCC Staging A system for the clinical and pathological staging of cancer by site using TNM classification to describe the extent of disease.
T is primary tumor size.
N is the regional lymph node involvement. M is the presence of distant spread. Benign Non-cancerous, treatment or removal is curative. Biopsy Removal of a small section of tissue to examine microscopically to determine malignancy. Biopsy can be needle aspiration, incisional or excisional.