Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post mitral valve replacement . The cardiac , mediastinal and hilar contours appear unchanged . There is a new opacity obscuring the right side of the heart suggesting a right middle lobe opacity and there is also a vague geographic opacity projecting over the left upper lung . Linear opacity in the left lower lung suggests minor atelectasis . There are pleural effusions or pneumothorax .
    OUTPUT:
    
Multifocal opacities including right middle lobe opacity and faint left upper lobe opacity . These are nonspecific and could be seen with atelectasis or an inflammatory process such as pneumonia or even aspiration . Short - term followup radiographs are recommended to evaluate further and to see whether these persist .