Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . There is no lobar consolidation , though streaky perihilar opacities are slightly diminished in overall conspicuity compared with prior exam , which could represent improvement in acute airways inflammation . No effusion or pneumothorax . Heart and mediastinal contours appear normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Minimal perihilar streaky opacities which could represent residual mild airways inflammation . Overall improvement from prior exam .