Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright chest radiograph and a lateral view provided . Midline sternotomy wires and a prosthetic cardiac valve are noted . There is diffuse pulmonary edema with small bilateral pleural effusions . The heart remains top - normal in size . Mediastinal contour is stable . Bony structures appear intact with a surgical anchor in the right humeral head .
    OUTPUT:
    
Pulmonary edema with small bilateral pleural effusions .