Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen increased interstitial markings diffusely bilaterally , consistent with underlying chronic interstitial lung disease . There may be a component of mild superimposed vascular congestion . . No pleural effusion or pneumothorax is seen . Cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Increased interstitial markings consistent with chronic lung disease ; with possible superimposed mild vascular congestion . No definite focal consolidation .