Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Midline sternotomy wires and prosthetic cardiac valve again noted . The previously noted PICC line has been removed . There is interval decrease in the left pleural effusion . Moderate pulmonary edema is noted . Heart remains enlarged . Mediastinal contour is normal . Bony structures are intact .
    OUTPUT:
    
Moderate pulmonary edema .