Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . This accentuates the size of the cardiac silhouette which is top normal . Mediastinal and hilar contours are unremarkable . Crowding of the pulmonary vasculature is likely due to low lung volumes . There is no overt pulmonary edema . Patchy opacities are seen within the lung bases , which may reflect atelectasis . No pleural effusion or pneumothorax is identified . There are no acute osseous abnormalities .
    OUTPUT:
    
Low lung volumes . Patchy opacities in the lung bases likely reflect atelectasis in the setting of low lung volumes , but infection is not completely excluded . Consider repeat exam when the patient is able to take a deeper inspiratory effort .