Zheng Ren ignored Luan Yingjie and directly took the film from his hand.
The thin one was the film of the jiede jiede jiede.
Many years ago, this kind of examination was called the gastrointestinal perforation by relying on barium. As the barium agent was unpleasant to drink and sticky, the examination effect was not very good. Later, liquid suavenlydine was used as the contrast agent.
The effect ... Was just that. There were not many illnesses that could be determined. However, at certain times, this kind of examination was still useful.
For example, if Su Yun saw a "bird's beak sign" at the cardiac section using an upper gastrointestinal angiography, she could make a preliminary diagnosis of what Su Yun thought was cardiac Achilles.
Zheng Ren took out the thin film and looked at it under the light.