Definitions for "Carcinoma In Situ"
A cancer that is confined superficially to its site of origin and has not invaded deeper to other parts of the organ.
cancer that is confined to the cells in which it first developed and has not invaded the surrounding tissues (metastasized).
(car-sin-o-ma in sigh-too) : an early stage of cancer, in which the tumor is confined to the organ where it first developed. The disease has not invaded other parts of the organ or spread to distant parts of the body. Most in situ carcinomas are highly curable.
a high grade dysplasia of the urothelium which does not form a mass