Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is relatively unchanged . The aorta is unfolded and diffusely calcified . There is crowding of the bronchovascular structures with mild pulmonary vascular engorgement . No focal consolidation , pleural effusion or pneumothorax is identified . There are mild degenerative changes in the thoracic spine .
    OUTPUT:
    
Mild pulmonary vascular engorgement .