These data suggest ECAC express FasL and its expression level associate with TIL infiltrating and apoptosis, this maybe a mechanism of immune evasion in ECAC.

• 老年贲门腺癌有不同程度的FasL表达,其表达程度与TIL的浸润程度和凋亡相关,可能是老年贲门癌免疫逃逸的重要机制之一。