Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Median sternotomy wires and mediastinal clips . Mild cardiomegaly is unchanged . The aorta is tortuous and calcified . Slight improvement in vascular congestion . No focal consolidation or pleural effusions . Mild bilateral acromioclavicular and glenohumeral arthropathy .
    OUTPUT:
    
Mild cardiomegaly , with slight improvement of pulmonary vascular congestion .