Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear unchanged . Diffuse opacification has resolved , but there are new patchy focal opacities in the right upper lung suggesting pneumonia . There is no pleural effusion on the right . Trace pleural effusion is difficult to exclude on the left versus unchanged scarring effacing the left costophrenic angle .
    OUTPUT:
    
Findings suggest pneumonia in the right upper lobe .