Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are moderately well inflated . There is cephalization of vasculature with mild cardiomegaly and likely small left pleural effusion with compressive atelectasis . No pneumothorax . Mediastinal contour and hila are unremarkable . Intact median sternotomy wires are noted .
    OUTPUT:
    
1 . Moderate pulmonary edema with small left pleural effusion , cephalization of vasculature and mild cardiomegaly . 2 . Left lower lobe compressive atelectasis . Superimposed infection can not be excluded .