If the patient is dissatisfied, you can always do another operation to remove it. But if you take off too much and the patient ends up with taut skin and a wooden expression, it's too late to go back.
他表示，像拉皮手術，拉起來的皮膚寧可下刀保留一點，若不滿意，頂多再來一次；若是多切了一分一寸，使得患者成了皮膚繃緊、表情呆滯的「木頭美人」，再要彌補就嫌遲了。