Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are within normal limits . Since ___ , there has been resolution of a right basilar hazy opacity , likely reflecting resolved aspiration or atelectasis . Linear left retrocardiac atelectasis is unchanged . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Resolved right basilar aspiration or atelectasis .