支气管扩张症 (Ｂｒｏｎｃｈｉｅｃｔａｓｉｓ)是指支气管异常的、不可逆的扩张。就其本身而言 ,不是一种疾病 ,但代表了各种病理过程的终末阶段。支气管扩张症的诊断是以影像学为基础的 ,同时也需要评估支气管扩张的范围、程度和可能的病因。用胸部Ｘ线平片诊断支气管扩张症有 Bronchiectasis refers to an abnormal, irreversible expansion of the bronchus. For its part, it is not a disease but represents the terminal phase of various pathological processes. The diagnosis of bronchiectasis is based on imaging, but it is also necessary to assess the extent, extent and possible causes of bronchiectasis. With chest X-ray diagnosis of bronchiectasis there