左侧第３肋骨骨肉瘤误诊１例报告张家口医学院第一附属医院马建中，刘昭张家口探机医院安树森患者，女、１４岁，学生，二年前无明显诱因出现左胸疼，伴有左上肢轻度活动受限，经外院胸片检查左侧第３肋骨处有一肿物，拟诊为结核性胸膜炎，包裹性积液、抗痨治疗半年，复查... Misdiagnosis of the third rib osteosarcoma on the left side: report of the first affiliated hospital of Zhangjiakou Medical University Ma Jianzhong, Liu Zhao An Shusen, Zhang Jiakou Hospital, female, 14 years old, student, 2 years ago, no obvious cause of left chest pain, with There was limited activity in the left upper limb. After the chest radiograph in the outer hospital, there was a tumor on the left third rib, which was diagnosed as tuberculous pleurisy, encapsulated effusion, anti-tuberculosis treatment for six months, review...