A 65 yrs old chronic smoker, mass in bronchus resected.Most useful immunohistochemical marker to make a proper diagnosis would be -

A 65 yrs old chronic smoker, mass in bronchus resected.Most useful imm

1.	A 65 yrs old chronic smoker, mass in bronchus resected.Most useful immunohistochemical marker to make a proper diagnosis would be -
A.	Epithelial membrane cadherin
B.	Leucocyte common antigen
C.	Cytokeratin
D.	Vimentin
Answer» D. Vimentin