- After surgery, there can be swealing swelling of the gums and face and some pain.
术后，牙床及脸部会有一些肿胀和疼痛。 - The condition usually begins as a swealing swelling on the skin.Then large ulcers form.
通常病情开始于皮肤上的肿块，然后形成大面积的溃疡。
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