Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is at least at the upper limits of normal size , and may be somewhat enlarged . The mediastinal and hilar contours appear unchanged . There is no pleural effusion or pneumothorax . Mild relative elevation of the right hemidiaphragm is noted . The lungs appear clear .
    OUTPUT:
    
Somewhat prominent heart size for age ; clinical correlation is suggested . No evidence of acute cardiopulmonary disease , however . When clinically appropriate , short - term followup standard PA and lateral radiographs may be helpful to reassess the cardiac contour .