Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear without consolidation . There is no pulmonary vascular congestion or interstitial edema . No pleural effusion is identified . Moderate - to - severe cardiomegaly is unchanged . A mitral valve replacement appears unchanged and in expected position . Median sternotomy wires are intact . The aortic arch remains densely calcified . Surgical clips are seen overlying the right upper quadrant of the abdomen .
    OUTPUT:
    
No acute cardiopulmonary process . No pulmonary edema or pleural effusions .