Using the TNM Staging Classification System,what Does a Tumor Staged

question 6

Multiple Choice

Using the TNM staging classification system,what does a tumor staged as T4N3M2 mean?

• A) No evidence of primary tumor,lymph node involvement,or distant metastasis
• B) Carcinoma in situ,regional lymph node involvement,and metastasis to one site
• C) Enlarging tumor,increasing lymph node involvement,and distant metastasis
• D) Enlarging tumor,no lymph node involvement,or distant metastasis

---

Definitions:

Null Hypothesis

A hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.

Alternative Hypothesis

A statement in statistics that indicates the presence of an effect, difference, or relationship when compared to the null hypothesis.

P-value

The probability of observing data at least as extreme as the data observed, under the assumption that the null hypothesis is true.

Sample Mean

The average of all observations or data points in a sample, used as an estimate of the population mean.