Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear without confluent consolidation . There is no pulmonary edema or pleural effusions . Mediastinal and hilar contours are within normal limits . Mild cardiomegaly is exaggerated by a mild pectus excavatum deformity and narrowed AP diameter of the chest .
    OUTPUT:
    
No acute cardiopulmonary process