Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Left - sided AICD device is noted with leads terminating in the right ventricle and region of the coronary sinus , unchanged . Heart remains moderately enlarged . Mediastinal and hilar contours are similar . There is mild pulmonary vascular congestion . No pleural effusion , focal consolidation or pneumothorax is present . No acute osseous abnormalities identified .
    OUTPUT:
    
Mild pulmonary vascular congestion .