Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were performed . The lung volumes are low resulting in vascular crowding . There is no pleural effusion or pneumothorax . Heart size is enlarged . There are no fractures or suspicious osseous lesions seen .
    OUTPUT:
    
No acute cardiopulmonary process . Stable cardiomegaly .