Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . There are innumerable bilateral nodular densities consistent with known lung cancer , these have progressed compared to prior study on ___ . No large focal consolidation concerning for pneumonia . There is a small right pleural effusion . The cardiomediastinal and hilar contours are stable . There are aortic knob calcifications .
    OUTPUT:
    
Interval progression of innumerable bilateral nodular opacities compared to ___ . Small right pleural effusion .