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例句：

1. 1. The valsa on her neck is causing her a lot of pain.
   她脖子上的肿瘤让她非常痛苦。
2. 2. The doctor performed surgery to remove the valsa from her leg.
   医生进行了手术，将腿上的肿瘤切除。
3. 3. The patient was diagnosed with valsa and advised to undergo chemotherapy.
   患者被诊断出患有肿瘤，并被建议接受化疗。