Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the ___ examination , there has been interval resolution of two focal opacities at the left mid zone . A right basilar opacity remains . There is no pneumothorax , new opacity , or pleural effusion .
    OUTPUT:
    
Interval resolution of two left opacities . Persistent right lower zone opacity . No superimposed acute process seen .