Which of the following factors is most valuable in predicting the biologic behavior of carcinoma of the colon?

Which of the following factors is most valuable in predicting the biol

1.	Which of the following factors is most valuable in predicting the biologic behavior of carcinoma of the colon?
A.	age of the patient
B.	duration of symptoms
C.	region of the colon affected
D.	diameter of the cancer
E.	lymph node metastasis
Answer» F.

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Which of the following factors is most valuable in predicting the biologic behavior of carcinoma of the colon?

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