Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged with a left ventricular predominance . The aorta is mildly tortuous . The cardiac , mediastinal and hilar contours are probably unchanged , allowing for differences in technique . There is no pleural effusion or pneumothorax . The left hemidiaphragm is mildly elevated . The lungs appear clear .
    OUTPUT:
    
Cardiomegaly . No evidence of acute cardiopulmonary disease .