Adrenocarcinomas infiltrating and in situ. Bust of a woman with a mammary gland and the axillary lymph nodes related to it. A first zoom starts from this gland to show the anatomical structure of the mammary gland with a main galactophore duct receiving the lobules, themselves made of acinus. Two cancerous tumors are located on the main milk duct: invasive or invasive ductal carcinoma (left) and carcinoma in situ.