Conclusions There are three patterns in both cytology and histology of thyroid atypical adenoma, belonging to carcinoma in situ in biologic behaviour.

结论甲状腺非典型腺瘤组织学和细胞学均分为三型，生物学行为系原位癌。

youdao

We have many other cancers in the body and precursor cancers that are also called carcinoma in-situ.

人体有许多种癌而且很多癌症前体也称为原位癌。

youdao

If the basement membrane is still intact, as shown here, then the process is called "carcinoma in situ" because the carcinoma is still confined to the epithelium.

如图所示：当基底膜完整时，我们称“原位癌”，因为肿瘤还局限在上皮内。

youdao

Navratilova said she has a noninvasive form of the cancer, called ductal carcinoma in situ, that was detected during a mammogram.

CNN: Martina Navratilova has breast cancer

Even in the precancerous stage, called ductal carcinoma in situ (DCIS) when abnormal cells are confined to a milk duct, physicians almost always advise women to have a lumpectomy or mastectomy along with radiation, because about 20% of the 65, 000 cases of DCIS found every year in the U.S. become invasive cancer.

WSJ: Can Breast Cancer Be Overtreated?