Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post sternotomy and aortic valve replacement . The heart appears mildly enlarged . The aorta is tortuous and calcified to a mild degree . The cardiac , mediastinal and hilar contours are probably unchanged allowing for differences in technique . A left pleural effusion and basilar opacification have resolved . There is a probable a small right - sided pleural effusion with vague posterior basilar opacity .
    OUTPUT:
    
Small pleural effusion on the right with vague posterior basilar opacity , although probably compatible with atelectasis . Correlation with clinical presentation is recommended , however , regarding any potential concern for infection .