It is still feasible. You can go to a travel agency and ask for a medical sightseeing tour. Simple surgery can be done at that time or on the same day. If you renew your contract, you can do it. There are many people who travel to South China for cosmetic surgery like this, and now there is a Chinese translator who can explain it to you. Before you come, you can consult the travel agency about the hospital you want to go to in Korea. Formal places have complete information.