Medullary carcinoma of the breast is a rare subtype of invasive ductal carcinoma (cancer that begins in the milk duct and spreads beyond it), accounting for about 3-5% of all cases of breast cancer. It is called “medullary” carcinoma because the tumor is a soft, fleshy mass that resembles a part of the brain called the medulla.
Tubular carcinoma of the breast is a subtype of invasive ductal carcinoma (cancer that begins inside the breast's milk duct and spreads beyond it into healthy tissue). ). Tubular carcinomas are usually small (about 1 cm or less) and made up of tube-shaped structures called "tu
Invasive ductal carcinoma (IDC), also known as infiltrating ductal carcinoma, is cancer that began growing in a milk duct and has invaded the fibrous or fatty tissue of the breast outside of the duct. IDC is the most common form of breast cancer, representing 80 percent of all breast cancer diagnoses.