EGFR IHA in Cervical Lymph Node EGFR IHA in Cervical Lymph Node EGFR IHA in Cervical Lymph Node EGFR IHA in Cervical Lymph Node χ2 p
Negative
(n =8) Negative
(n =8) Positive
(n = 12) Positive
(n = 12)
No. % No. %
Laryngeal EGFR expression 2 25.0 12 100.0 12.857 FEp=0.001