Transitional Cell Carcinoma (TCC) is a type of cancer that occurs in the urinary system. The term Transitional Cell Carcinoma is a combination of two words- transitional cells and carcinoma. However, if we talk about the antonyms for this term, we have to consider words that are opposite in meaning to transitional, cells, and carcinoma such as: stable, consistent, unchanging, stagnant, improving, steady, static, normal, healthy, and benign. These words signify a state of being that is not cancerous and does not change rapidly. In conclusion, the antonyms of Transitional Cell Carcinomas are words that indicate a stable and non-cancerous state.