What is meant by the term primary tumor?
A) It is a tumor whose cells are found in the sentinel, or primary, lymph node.
B) It is a neoplasm that is at the site where it originated.
C) It is a neoplasm caused by a primary, not secondary, infection.
D) It is a tumor that has invaded surrounding tissue.

Question

Quizplus · Accepted Answer

A primary tumor refers to the original tumor; the site where the cancer first developed and began to grow. It is not defined by its location in lymph nodes, its cause, or its invasiveness, but rather by its origin.

What Is Meant by the Term Primary Tumor