Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Midline sternotomy wires and mediastinal clips again noted . Lung volumes are low . Cardiomegaly is again noted . Bilateral pleural effusions are noted , right greater than left . Hilar congestion and mild edema is noted . There is also left perihilar and right lower lobe opacity which is slightly asymmetric which could represent a superimposed pneumonia . No pneumothorax . Mediastinal contour is unchanged . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Pulmonary edema with bilateral effusions , right greater than left . Asymmetric opacities in the left mid lung and right lower lobe may represent pneumonia . Followup to resolution . Stable mild cardiomegaly .