Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is new right basilar opacity seen medially . There is likely a retrocardiac opacity as well . Possible small bilateral effusions are noted on the lateral view . Superiorly , lungs are clear . The cardiomediastinal silhouette is grossly unchanged given differences in positioning . Atherosclerotic calcifications noted at the aortic arch . Posterior cervical fixation hardware is noted .
    OUTPUT:
    
Right basilar and potential left basilar opacities which could be compatible with pneumonia in the proper clinical setting . Suspected superimposed effusions .