Skin necrosis after revision rhinoplasty

After reoperation last November, I endured 6 months due to cartilage reflection and other side effects, and in May, I was looking for a hospital for reoperation for the 6th month.. At
 
first, I thought about total removal, so I visited ㄱㅇㅅ ㅅㅅㅇ ㅍㄹㅁ for consultation, but there was a high risk of hearing loss with complete removal. Since I can't go back to my original nose, they recommended reoperation
 
to lower it... I visited several hospitals famous for reoperation and received advice on lowering it, but the nostril cartilage is visible because the alar cartilage is pushed out, so it will be visible even with reoperation or complete removal. I considered surgery because they told me that all cartilage issues would be resolved by trimming down the costal cartilage to make it smaller and raising the bridge of the nose with artificial dermis Megaderm or Alloderm, but the satisfaction level among those who had surgery with artificial dermis was very low and Megaderm or Alloderm were difficult to remove, so I looked into other hospitals. Yesterday , I
 
visited ㄱㅅ and received a consultation.. The skin is still holding on to the cartilage at the tip of the nose and things like that, but the columella has been forcibly stretched, so the skin has become too thin, and if it is opened in this state, there is a high risk of necrosis, so there is nothing that can be done in this state. He said that after extracting the dermis from the buttocks, a dermal transplant was performed on the columella to plump up the flesh around the columella, and then a re-operation to lower it within 6 to 1 years. He looked at the nose in detail and showed me photos of the necrosis case, sincerely. He was worried and gave me advice..
 
I could feel that the skin on the columella side had become thinner and the skin on the columella side had been red for 5 months..
 
The first buttock dermal transplant was over 400, and the second surgery was guided based on the condition after that. They say they can do it... I'm really crazy to hear that it can cost more than 10 million won... I'm going through a lot of emotional and physical pain after making a mistake once on my nose.
 
I heard that once it's damaged, the columella is the most difficult to repair, so I had a consultation yesterday and couldn't sleep at all because I was trying to figure out a lot of things.
 
Has anyone tried a skin transplant using the butt dermis? ?
 
Is there anyone who has had the first and second reoperations?
 
Could you please give me some information about a hospital famous for reconstruction?
 
There are people who are treated with stem cells and undergo surgery. Are stem cells different from thickening the skin? ?
 
Please help me with the thought of saving someone’s life.