C1269 It's for Doctors from the East and the West

A few minutes later, Chen Qun operated the endoscope in his hand. He found a hidden spot in the esophagus that could not be detected at all. He found the small hole that was burned by the melted laser. If he had to describe it as an image, it would be a small hole the size of a real needle. Hiding in the folds of the membrane of the esophagus. If one was not preconceived