Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left chest tube projects over the left lower lung . No appreciable left pleural effusion . Diffuse opacification of the left lung is likely a combination of lymphangitic spread of tumor and superinfection . Heart size is stable . Right lung is clear .
    OUTPUT:
    
No appreciable left pleural effusion . Diffuse left lung opacification .