Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate bilateral diffuse interstitial abnormalities most pronounced in the right lower and mid lung zone , that has progressed substantially since ___ radiograph . Hilar adenopathy is also more pronounced on the right . The cardiomediastinal silhouette is unchanged . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Diffuse interstitial abnormality most apparent in the right mid lung is consistent with lymphangitic spread of renal cell carcinoma . Hilar adenopathy is most pronounced on the right .