Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP chest radiograph was obtained . New opacification is seen predominantly in the right upper lobe ; however , on this single view involvement of the middle or lower lobes would be difficult to exclude . Port -A - Cath is seen in place . Left lung is relatively clear . Small right pleural effusion is seen . The heart is normal in size with normal cardiomediastinal contours .
    OUTPUT:
    
Right upper lobe pneumonia with equivocal involvement of lower and middle lobes with small accompanying parapneumonic effusion .