Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Diffuse mild ground - glass opacities are seen within the lungs , as on prior , likely representing mild pulmonary edema . There is small right pleural effusion . Trace fluid along the fissure all planes also noted . Cardio mediastinal silhouette is normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Mild pulmonary edema with small right pleural effusion , overall not significantly changed from prior exam .