Which of the following factors is NOT typically associated with improved overall survival for patients who present with unknown primary tumors of the head and neck region?

Stage N1 versus stage N2 lymph node involvement

Complete resection of the involved lymph nodes

Subsequent presentation of the primary tumor

Which of the following factors is NOT typically associated with improv

1.	Which of the following factors is NOT typically associated with improved overall survival for patients who present with unknown primary tumors of the head and neck region?
A.	Radiation doses of >50 Gy
B.	Complete resection of the involved lymph nodes
C.	Subsequent presentation of the primary tumor
D.	Stage N1 versus stage N2 lymph node involvement
Answer» D. Stage N1 versus stage N2 lymph node involvement

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Which of the following factors is NOT typically associated with improved overall survival for patients who present with unknown primary tumors of the head and neck region?

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