Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lung volumes are low which limits the evaluation . There is basilar atelectasis . No effusion or pneumothorax . No displaced rib fractures . Heart appears mildly enlarged and the mediastinal contour is normal .
    OUTPUT:
    
Basilar atelectasis , mild cardiomegaly . Otherwise unremarkable . If there is concern for a sternal fracture dedicated sternal views may be obtained .