Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been an interval decrease in the opacity in the left lower lobe , compatible with resolving pneumonia . No new opacities are seen . There is no pulmonary vascular congestion . The mediastinal contour is normal .
    OUTPUT:
    
Nearly resolved left lower lobe pneumonia . Presuming the patient has also improved clinically , no further imaging is necessary .