*1.Please list your first name, last name, and email:(Required.)

First name:

Last name:

Email:

*2.What is your specialty?(Required.)

*3.Analysis of which immunohistochemical markers is the best initial step in elucidating the primary site of carcinoma of unknown primary?(Required.)

Chromogranin and synaptophysin

CK7 and CK20

GATA3 and SATB2

CD19 and CD20

*4.In lung cancer, somatic mutations in STK11 are associated with which of the following? (Required.)

Increased progression-free survival

Increased overall survival

Decreased recurrence rate after chemoradiation

Increased resistance to immunotherapy