Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views the chest provided . Midline sternotomy wires and prosthetic cardiac valve again noted . Airspace consolidation is noted within the right lower lobe concerning for pneumonia . Additionally , there is hilar congestion and mild interstitial pulmonary edema . Cardiomegaly is again noted . Mediastinal contour unremarkable . Bony structures intact . Tiny bilateral pleural effusions present .
    OUTPUT:
    
1 . Right lower lobe pneumonia . 2 . Mild interstitial edema with stable cardiomegaly .