Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since prior , there has been interval improvement in the bibasilar opacities which still partially persist . Degree of pulmonary edema has not significantly changed . Cardiomegaly and tortuosity of the thoracic aorta are noted . Atherosclerotic calcifications are noted at the aortic arch . Severe degenerative changes at the shoulders bilaterally .
    OUTPUT:
    
Improving bibasilar opacities suggesting resolving effusions . Adjacent atelectasis is seen noting that infection can not be excluded . Moderate pulmonary edema .