A colon cancer that is T3 N1 M0 is a tumor that is :

A colon cancer that is T3 N1 M0 is a tumor that is
 
  A) small, has not reached the lymph nodes, and has not metastasized.
  B) rather large, has spread to distant lymph nodes, and has metastasized.
  C) rather large, has spread to close lymph nodes, but not metastasized.
  D) small, has reached one lymph node, and has not metastasized.

---

Lymph nodes are
 
  A) small organs containing defensive cells.
  B) the N in the TNM system.
  C) types of filters.
  D) All of the answers are correct.

---

Which of the following descriptors is important because it determines a treatment plan and gives an indication of a patient's prognosis?
 
  A) grading
  B) staging
  C) sizing
  D) symptoms

---

Which of the following describes the extent or severity of the cancer according to the tumor's size and behavior?
 
  A) sizing
  B) grading
  C) staging
  D) TNM system

---

The TNM system of classification refers to which of the following?
 
  A) tumor
  B) nodes
  C) metastasis
  D) All of the answers are correct.