What does Carcinoma of the breast, infiltrating ductal mean?

Carcinoma of the breast, infiltrating ductal meaning in Medical Dictionary

one of the acknowledged particular habits of cancer tumors of this breast, so named since it begins into the cells that form the ducts of breast. This is the most frequent kind of breast cancer. On a mammogram, invasive ductal carcinoma is generally visualized as a mass with fine spikes radiating from the sides (spiculation). It may occasionally be thought as a strong swelling within the breast. Treatment may include radiation, chemotherapy, and surgery.