我是一名退休司机,现已68岁,平时爱好抽烟喝酒。从今年初开始咳嗽,早晚较厉害,痰少,有时咳脓痰,打针服药治疗多次,病情有所好转,但不久又复发。最近一段时间,咳嗽症状加重,晚上不能入睡,经胸部CT诊断为左下肺不张,住院治疗10天,咳嗽明显减轻,请问,肺不张是咋回事?能治愈吗?湖南徐读者徐读者:所谓肺不张,指全肺或部分肺呈收缩和无气状态。它分为急 I am a retired driver who is now 68 years old and usually likes smoking and drinking. From the beginning of this year cough, sooner or later more powerful, less sputum, and sometimes cough purulent sputum, medication injections many times, the condition has improved, but soon relapse. Recently, cough symptoms aggravate, can not sleep at night, the chest CT diagnosis of left lower atelectasis, hospital treatment for 10 days, cough significantly reduced, may I ask, atelectasis is what else? Can cure it? : The so-called atelectasis, refers to the whole lung or part of the lung was contracted and no gas state. It is divided into urgent