Question

Which rays are used to diagnose cancer of esophagus?
Cathode rays
X-rays
Laser rays
R-ray ​

Answer 1

Answer:

An x-ray is a way to take a picture of the inside of the body. Barium coats the surface of the esophagus, making a tumor or other unusual changes easier to see on the x-ray. If there is an area looks abnormal, your doctor may recommend an upper endoscopy and biopsy to find out if it is cancerous (see below).

Answer 2

Answer:

X-ray

Explanation:

Simple answer

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