What is a clinician? It is the person who comes to the bedside and makes judgments about the condition and treatment decisions through history, physical examination and necessary ancillary tests. The internet is not a substitute for in-person diagnosis and treatment, and you should talk more with your local doctor. I am not able to examine your local condition and make decisions about all the details of treatment, which is certainly not scientific. Network can use the medical resources of big hospitals to solve some principle problems. Tang Yun, General Surgery Department, Beijing 301 Hospital, China Tang Yun, General Surgery Department, Beijing 301 Hospital, China