Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is moderate cardiomegaly . There dense calcifications of the aortic valve . The visualized lung fields are clear , although assessment of the retrocardiac lungs is limited . There is no pneumothorax . Moderate degenerative change at the glenohumeral and AC joints .
    OUTPUT:
    
Moderate cardiomegaly . The visualized lung fields are clear , although assessment of the retrocardiac lungs is limited .