Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is hazy opacity projecting over the right lung base which could be in part due to atelectasis and overlying soft tissues . Lungs are otherwise clear . Cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
Right basilar opacity , potentially atelectasis and due to overlying soft tissues . Underlying parenchymal opacity is difficult to exclude .