Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Wide AP chest diameter is again seen . There are scattered areas of atelectasis / scarring , particularly in the mid-to - lower lung fields . The hilar contours are stable . Cardiac and mediastinal silhouettes are also stable . Degenerative changes are seen along the spine . There is no focal consolidation , pleural effusion , or evidence of pneumothorax .
    OUTPUT:
    
Bilateral subsegmental atelectasis / scarring . No acute cardiopulmonary process .