What is a persistent lung collapse?

Ateletasis: Lung collapse or atelectasis is portion of lung that is not ventilated usually do to obstruction of bronchus by plug or extrinsic bronchial compression. Persistent loss of volume means lung does not ventilate for prolonged period of time. Sometimes physical therapy to chest is performed or assisted ventilation to try to open area of lung collapse.

Needs treatment: Persistent pneumothorax needs tube, or expansion by decorticating , and or treatment- stapling of causative blebs. Cardio-thoracic surgery is the discipline to sort out for you.