Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no definite pleural effusion or pneumothorax . The enlarged cardiomediastinal silhouette with diffuse interstitial markings is unchanged from prior . As previously suggested , this may reflect chronic interstitial lung disease with superimposed pulmonary vascular congestion . A right - side central line terminates in the right atrium . Although the exam is limited by overlying trauma board , there is no displaced rib fracture .
    OUTPUT:
    
Unchanged prominent interstitial markings reflecting chronic lung disease with possible superimposed mild pulmonary vascular congestion , although not striking .