The least differentiated tumor is classified as grade:
A) I.
B) II.
C) III.
D) IV.

Question

Quizplus · Accepted Answer

The least differentiated tumors, which are the most aggressive and have the poorest prognosis, are classified as grade IV. Tumor grading is a system used to classify cancer cells in terms of how abnormal they look under a microscope and how quickly the tumor is likely to grow and spread. Grade IV indicates the most abnormal-looking cells that grow and spread quickly.

The Least Differentiated Tumor Is Classified as Grade