Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post TAVR . An opacification at the left lung base obscuring the left hemidiaphragm is consistent with pleural effusion and atelectasis however in the appropriate clinical setting pneumonia can not be excluded especially in the absence of a lateral view . Cardiac size is normal . There is no pneumothorax . Mild scoliosis is noted .
    OUTPUT:
    
Left lung base opacification likely pleural effusion and atelectasis however pneumonia can not be excluded in the appropriate clinical setting .