Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Consolidation at the base of the right lung has been present since ___ and previously during episodes of pulmonary edema . While edema has improved elsewhere in the lungs , this area consolidation has worsened and small right pleural effusion has increased , raising the likelihood fact this is pneumonia . Moderate cardiomegaly and mild pulmonary vascular congestion are chronic . The mediastinal and hilar contours are normal . There is no pneumothorax . Sternal wires are intact and aligned . Patient has had mitral valve replacement .
    OUTPUT:
    
1 . Probable right lower lobe pneumonia accompanied by increasing small right pleural effusion . 2 . Improved pulmonary edema . Chronic severe cardiomegaly .