Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate enlargement of the cardiac silhouette is unchanged . Aortic knob calcifications are present . Mediastinal contour is similar . There is mild pulmonary edema , new in the interval . No large pleural effusion or pneumothorax is present . No acute osseous abnormality is present . Degenerative changes are noted in the right glenohumeral joint .
    OUTPUT:
    
Unchanged moderate cardiomegaly and mild pulmonary edema .