Sep 4, 2025 · What Is Carcinoma In Situ and What Does It Mean? Carcinoma in situ (CIS) is a stage 0 cancer that is non-invasive and has not spread to nearby tissues. Not all cancers have …

Feb 27, 2024 · Carcinoma in situ is when cell changes appear cancerous under a microscope but have not spread beyond where they first formed. The words in situ mean in its original place.

Carcinoma in situ (CIS) is a group of abnormal cells that are found only in the place where they first formed in the body (see left panel). These abnormal cells may become cancer and spread …

Carcinoma in situ is, by definition, a localized phenomenon, with no potential for metastasis unless it progresses into cancer. Therefore, its removal eliminates the risk of subsequent …

Apr 21, 2022 · Carcinoma in situ refers to a group of abnormal cells that have not spread from the location where they first formed, although they may later spread into normal tissue and …

Aug 14, 2025 · Carcinoma in situ (CIS) describes abnormal cells confined to their exact place of origin. The Latin phrase “in situ” means “in its original place.” Under a microscope, these cells …

Carcinoma in situ is a noninvasive form of cancer, meaning that the abnormal cells have not spread beyond their original location. Although carcinoma in situ itself does not invade …

Dec 20, 2022 · Carcinoma in situ refers to precancerous cells located within a contained area. This means the cells have not spread to nearby tissues. Carcinoma in situ is another name for …

Carcinoma in situ is a type of cancer that occurs when the cancerous cells have not spread beyond the original site of cancer (non-invasive cancer). Carcinoma in situ is also known as …

What is carcinoma in situ? An abnormal growth of cells that stays within the area in which it started and has not spread into surrounding breast tissue is called a carcinoma in situ (CIS) …