The outer upper quadrant of the breast is where the majority of cancers are found. Found in milk ducts. Found in lobes of breasts. Breast Cancer is primarily spread through lymphatic drainage.
Risk increases with age.
Women who have never been pregnant have a greater risk factor. Angiogenesis blood vessel generation. Cancerous tumors grow and feed themselves by angiogenesis. Sarcoma tumor that lays in the supporting structures of the breast. 20 s and 30 s.