X-rays with barium contrast of the upper GI tract can be useful to identify the location of the cancer and complications like ulcers or esophageal stenosis.

上消化道的X线钡餐检查可有效确认食管癌的部是否有破溃、食管狭窄等并发症。

Diagnosis includes the medical history, lab tests looking for nutritional or electrolyte deficiencies or a resulting anemia, imaging such as an abdominal X-ray, barium studies, or MRI, and endoscopy of the upper and lower intestines.

断方法包括询问病史，实验室检查发或电解质不足或继发性贫血，影像学检查如腹部X线、钡餐、MRI和上下消化道的内镜检查。

X-rays with barium contrast of the upper GI tract can be useful to identify complications, like ulcers or esophageal stenosis.

上消化道钡餐造影有助于鉴别并发症，比如溃疡或食管狭窄。

Chest CT, X-rays with barium contrast of the upper GI tract, and PET are used for further evaluation.

胸部CT、上消化道X线钡餐，PET等可用于进一步评估。