Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Heart size is top normal . Mediastinal contours are unremarkable . Interstitial markings appear diffusely mildly increased without focal consolidation . No pleural effusion or pneumothorax . Chronic right - sided rib fractures are appreciated .
    OUTPUT:
    
Mildly increased diffuse interstitial markings are nonspecific but could represent mild edema .