Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size remains mildly enlarged , unchanged . Patient is status post transcatheter aortic valve replacement . Left upper lobe suprahilar opacity containing ___ fiducial markers remains grossly unchanged compared to the previous examination . The hilar contours are otherwise similar . There is a small left pleural effusion , not substantially changed in the interval . The right lung is clear . No pneumothorax is present . Marked degenerative changes are seen in the left glenohumeral and both acromioclavicular joints . There are multilevel degenerative changes also seen within the thoracic spine .
    OUTPUT:
    
Overall , no substantial interval change in appearance of the chest from prior . Continued ill - defined opacity in the left upper lobe compatible with known lesion which has undergone prior RF ablation . Small left pleural effusion , similar to the previous study .