ACSM Cancer Exercise Trainer (CET) 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

Which of the following TNM classifications indicates a tumor that has not spread beyond its origin?

Stage 0

Stage I

The correct classification that indicates a tumor has not spread beyond its origin is Stage 0. This stage, often referred to as carcinoma in situ, describes a situation where abnormal cells are present but have not invaded nearby tissues or spread to other parts of the body. This denotes that the tumor is localized and has not begun to demonstrate invasive characteristics.

Stage I typically signifies that the tumor is small and localized but may contain some risk of spreading to nearby tissues. In contrast, Stage II and Stage III indicate progressively larger tumors with increased chances of local invasion and possible lymphatic or distant metastasis. Thus, Stage 0 best represents a tumor that has not spread from its original site.

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Stage II

Stage III

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