Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate the lungs are relatively well expanded , with some atelectasis and either pleural scarring or a prominent epipericardial fat pad on the left . There is no evidence of pleural effusion on the right , and no pneumothorax , pulmonary edema or focal air space consolidation is seen . The cardiomediastinal contours are unremarkable . The heart size is mildly enlarged . There is no specific evidence of mediastinal widening .
    OUTPUT:
    
Normal mediastinum . Left basilar atelectasis and possible left pleural scarring , along with mild cardiomegaly . No acute cardiopulmonary process .