Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy . A prosthetic mitral valve is noted . Pulmonary vascular congestion is mild . The lung fields are clear . There is no pneumothorax , fracture or dislocation . Limited assessment of the abdomen is unremarkable .
    OUTPUT:
    
Mild pulmonary vascular congestion .