gingival carcinoma

例句：

1. 1. He was diagnosed with gingival carcinoma and underwent surgeryto remove the tumor.
   他被诊断出患有牙龈癌，并接受了手术以切除肿瘤。
2. 2. The patient's condition worsenedafter the surgery, and he required furthertreatment for gingival carcinoma.
   手术后，患者的病情恶化，需要进一步治疗牙龈癌。
3. 3. Gingival carcinoma is a rare but serious formof cancer that can affect the gumsand cause pain and discomfort.
   牙龈癌是一种罕见的但严重的癌症形式，可以影响牙龈并引起疼痛和不适。