Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is unchanged , and appears mild to moderately enlarged . The aorta is diffusely calcified and tortuous , but stable . There is mild pulmonary vascular congestion . No focal consolidation , pleural effusion , or pneumothorax is visualized . Degenerative changes of both glenohumeral joints are noted .
    OUTPUT:
    
Mild pulmonary vascular congestion . No definite radiographic evidence for pneumonia .