A guide for people living with breast cancer

8 Understanding Breast Cancer BREAST CANCER AND YOU BREAST CANCER AND YOU A guide for people living with breast cancer | Seventh Edition A guide for people living with breast cancer | Seventh Edition BREAST CANCER IN MEN Breast cancer in men is like breast cancer in post-menopausal women. [...] Types of breast cancer in men The types of breast cancer men can develop are the same types that women can develop and can include: • Infiltrating ductal carcinoma/Invasive ductal carcinoma: Cancer that starts in the breast ducts and spreads to the duct wall into surrounding breast tissue27 • Ductal carcinoma in situ/intra-ductal carcinoma: Cancer that originates in the lining of the breast ducts2. [...] BREAST CANCER AND YOU BREAST CANCER AND YOU Understanding Breast Cancer 9 A guide for people living with breast cancer | Seventh Edition A guide for people living with breast cancer | Seventh Edition NOTES 10 Understanding Breast Cancer BREAST CANCER AND YOU A guide for people living with breast cancer | Seventh Edition Many people who experience breast cancer lead long and healthy lives. [...] Types of breast cancer The affected cell type in the breasts defines the type of breast cancer.48 The most common type of breast cancer is adenocarcinoma, meaning that the cancer originates in the glands of the breast. [...] BREAST CANCER AND YOU Looking Ahead 27 A guide for people living with breast cancer | Seventh Edition Prognostic factors include:1 • The size of the tumour (stage) • Whether or not the cancer cells have spread to the lymph nodes (stage) • Whether or not cancer cells have spread to the blood vessels or the lymphatic channels (microscopic vascular invasion) • The grade of the tumour • The genetic si.