(medicine) The collapse of a part of or the whole lung caused by inner factors rather than a pneumothorax
(pathology) An abnormal accumulation of air or other gas in tissues, most commonly the lungs.
collapse of an expanded lung (especially in infants); also failure of pulmonary alveoli to expand at birth
(medicine) Pulmonary emphysema, a chronic lung disease, one type of chronic obstructive pulmonary disease.
Atelectasis is the collapse or closure of a lung resulting in reduced or absent gas exchange. It is usually unilateral, affecting part or all of one lung.
A swelling produced by gas or air diffused in the cellular tissue.
an abnormal condition of the lungs marked by decreased respiratory function; associated with smoking or chronic bronchitis or old age