Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate enlargement of the cardiac silhouette appears slightly increased compared to the previous examination . Atherosclerotic calcifications are noted at the aortic knob . There is mild pulmonary vascular congestion without frank pulmonary edema . Small left pleural effusion is new along with retrocardiac patchy opacity , likely atelectasis . No pneumothorax is detected . Multiple clips are demonstrated within the neck compatible prior thyroidectomy . Clips are also seen within the upper abdomen . There are moderate multilevel degenerative changes seen in the thoracic spine .
    OUTPUT:
    
Moderate cardiomegaly , increased from prior , and may be suggestive of a cardiomyopathy . Mild pulmonary vascular congestion without frank pulmonary edema . Small left pleural effusion with probable left basilar atelectasis .