Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded without focal consolidation , pleural effusion or pneumothorax . Biapical pleural thickening / scarring is noted . Slight increase in prominence of interstitial markings diffusely bilaterally could reflect interstitial disease . The heart is normal in size and unremarkable cardiomediastinal contours .
    OUTPUT:
    
Prominence of interstitial markings perhaps age - related or reflective of a chronic lung disease . No focal consolidation or overty pulmonary edema .