The incidence of SCCHN in our EC patients was 11.4%. Periodic otolaryngological examination and pharyngoscopy screening can detect SCCHNs early in patients with primary EC.

食道中头颈部鳞状细胞的发病率为11.4%。期对原发性食道进行耳鼻查和咽镜查可以出早期头颈部鳞状细胞。