Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is subtle prominence of the central bronchopulmonary markings , possibly reflecting acute airways disease . There is no focal consolidation , effusion , or pneumothorax . The cardiomediastinal silhouette appears normal . The imaged osseous structures are intact . There is no free air below the right hemidiaphragm .
    OUTPUT:
    
Possible bronchitis . No lobar consolidation .