Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Hazy bibasilar opacities are noted . Superiorly , the lungs are clear . Moderate cardiac enlargement is similar compared to prior given differences in technique . No acute osseous abnormalities , old healed right lateral rib fractures are noted .
    OUTPUT:
    
Bibasilar opacities which could be due to atelectasis noting that infection is not entirely excluded . Cardiomegaly without other superimposed acute cardiopulmonary process .