当前位置:首页
>
查试题
>
医卫类
>
全科主治
>
A male, age 9, was found with abnormal shadow in the chest by chest X-ray on school physical checkup. Anteroposterior and lateral film reveals a 4cm X 4cm shadow of even density in the back of the right chest. The patients recalled that the patient had coughed occasionally for nearly 1 month. The most likely diagnosis is