Grading and Staging of Cancers

Question

Grading and staging of cancers:
A) Was developed by the American Cancer Society.
B) Is determined by the microscopic appearance and extent to which the tumor has spread.
C) Likely uses four grades and the TNM system.
D) B and C only

Accepted Answer

Grading and staging of cancers is determined by the microscopic appearance and extent to which the tumor has spread. It likely uses four grades and the TNM system, which stands for Tumor, Node, and Metastasis. The American Cancer Society is not responsible for developing this system.