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1.The patient's condition worsened after the surgery, and he was diagnosed with an intracranial sarcoma.
手术后，患者的病情恶化，被诊断出患有颅内肿瘤。
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2. The tumor was removed surgically, but it recurred within a year, leading to further investigation into its origins.
肿瘤被手术切除，但一年后复发，进一步调查其来源。
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3. The patient underwent radiation therapy as part of his treatment plan, hoping to shrink the tumorand alleviate symptoms.
患者作为治疗计划的一部分接受了放射治疗，希望缩小肿瘤并缓解症状。