Pdf lobular carcinomas in situ lcis represent 12% of all breast cancers. But being diagnosed with lcis indicates that you have an increased risk of developing breast cancer. Abstract background lobular carcinoma in situ lcis of the breast is considered a marker for an increased risk of carcinoma in both. Although lobular carcinoma in situ lcis of the breast was described more. Lobular carcinoma in situ lcis american cancer society.
Lcis is not cancer but can signal a higher risk of breast cancer. Margins were regarded as free when tumor was not transected. Lobular carcinoma in situ lcis diagnosis and treatment. Lobular carcinoma in situ ireland pdf ppt case reports. Lcis is not considered to be cancer, and it typically does not spread beyond the lobule become invasive breast cancer if it isnt treated. Lobular carcinoma in situ lcis is a type of breast change that is sometimes seen when a breast biopsy is done. Lobular carcinoma in situ lcis is an uncommon condition in which abnormal cells form in the milk glands lobules in the breast.
Lobular carcinoma in situ lcis symptoms and causes. Approximately 25% of all cases of atypical ductal hyperplasia adh diagnosed on core biopsy of the breast are associated with ductal carcinoma in situ dcis or invasive malignancy at the same site. Clonality of lobular carcinoma in situ and synchronous invasive. In lcis, cells that look like cancer cells are growing in the lining of the milkproducing glands of the breast called the lobules, but they dont invade through the wall of the lobules. Lobular carcinoma i n situ lcis is an uncommon condition in which abnormal cells form in the milk glands lobules in the breast. Lobular carcinoma in situ lcis may be present in one or both breasts, but it usually isnt visible on a mammogram. Lobular carcinoma in situ lcis is an area or areas of abnormal cell growth that. Lobular carcinoma in situ, classic type with small cells type a cells. Pathologic findings from the national surgical adjuvant breast and. Lobular carcinoma in situ means abnormal cells are in the breast.