Is it true what the old professor said about high-end medical equipment?

I sympathize with you very much. What you encounter is actually a common phenomenon. In other words, big hospitals are overcrowded, and doctors have no mood or time to take every patient seriously. This will inevitably lead to missed diagnosis and misdiagnosis, but small hospitals are deserted. In fact, if it is a common disease, there is really no need to go to a big hospital for treatment. Some common and frequently-occurring diseases should be examined and treated in community and district hospitals. If the medical equipment in a small hospital can't be checked out, go to a big hospital. Hehe, just like you said.