Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The heart is mildly enlarged with otherwise normal mediastinal contours . Lungs are clear . No focal consolidation , pleural effusion , or pneumothorax . No radiopaque foreign body .
    OUTPUT:
    
Mild cardiomegaly . No evidence for acute cardiopulmonary process .