Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lower lung volumes seen on the current exam with secondary bronchovascular crowding . There is probable superimposed vascular congestion with possible mild edema . No definite focal consolidation or large effusion . Right hilar enlargement is similar compared to prior . Degree of enlargement of the cardiac silhouette is likely unchanged . Severe degenerative changes noted at the shoulders . Lumbar fixation hardware is noted .
    OUTPUT:
    
Cardiomegaly with vascular congestion and possible mild edema . No definite focal consolidation .