Diagnosis is made with endoscopy and biopsy.

诊断食管癌需要做内镜和切片。

An endoscopy and biopsy can be done to diagnose Barrett's esophagus.

内镜和活检可以诊断Barrett食管。

Celiac disease is a diagnosis that involves serologic testing, endoscopy, and biopsy.

乳糜泻的诊断涉及血清学检查，内镜检查和活检。