Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Aside from atelectasis at the right base , the lungs are clear . There is mild cardiomegaly . The hilar and mediastinal contours are otherwise normal . There is no pneumothorax . There is no pleural effusion . Pulmonary vascularity is normal .
    OUTPUT:
    
No acute cardiopulmonary process .