Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mitral valve prosthesis is again noted . Postsurgical changes are noted involving the heart with intact median sternotomy wires . Moderate to severe cardiomegaly is present . Additionally , there are bilateral increased perihilar opacities suggestive of mild pulmonary edema . Left lateral pleural thickening is again noted with no evidence of pleural effusion or pneumothorax . No acute fractures are identified .
    OUTPUT:
    
Cardiomegaly with evidence of mild pulmonary edema , suggestive of heart failure .