Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright AP and lateral views of the chest provided . Lung volumes are somewhat low . Streaky perihilar opacities are noted , left greater than right . Overall findings are nonspecific and could reflect bronchovascular crowding . The possibility of a central airways inflammation is difficult to exclude . No lobar consolidation , effusion or pneumothorax . No convincing signs of edema . Heart size is grossly within normal limits . Mediastinal contour is normal . Bony structures are intact .
    OUTPUT:
    
Nonspecific perihilar streaky opacities , concerning for central airways inflammation versus bronchovascular crowding .