"Hmm... I was already examined in Jinling and Shanghai, and did everything that needed to be done, but nothing was found."
Yun Guanting thought for a moment, shook his head and said.
Qin Feng placed the stethoscope on his chest, and the sounds in Yun Guanting's lungs were very clear.
Logically speaking, some issues should be detectable.
But if even Shanghai's medical facilities can't clarify it, the situation might be somewhat complicated.
Chronic coughs with asthma symptoms usually can't escape from a few diseases.
Cough variant asthma, upper airway cough syndrome, eosinophilic bronchitis...
These causes combined account for more than 80% of chronic cough causes.
Even without examinations, basic inquiries can lead to a diagnosis based on experience.
"Does President Yun have any stomach issues?"
Qin Feng thought for a moment and asked.
"No." Yun Guanting shook his head, "I also checked, and there are no gastrointestinal problems."
