Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no definite focal consolidation , pleural effusion , or pneumothorax . Compared to the prior study , there is mild prominence of vascular markings likely reflecting mild pulmonary edema . Opacities at the bases are mostly unchanged and are most likely atelectasis . Again seen is a tortuous calcified aorta . The remainder of the cardiac silhouette is unchanged . There are severe degenerative changes in the shoulders bilaterally and old rib fractures on the left . There is dextroscoliosis of the thoracic spine .
    OUTPUT:
    
No definite focal consolidation . Possible mild pulmonary edema . Opacities at the bases are likely atelectasis .