Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Enlargement of the right paratracheal stripe and left hilus is compatible with lymphadenopathy as detected on the prior CT . Emphysematous changes are most pronounced within the upper lobes . Numerous calcified small pulmonary nodules are again seen bilaterally , likely due to prior granulomatous disease or previous varicella infection . New opacification of the right lower lobe with small right pleural effusion is concerning for pneumonia . No pneumothorax is identified . There is no pulmonary vascular congestion . Partially imaged is cervical spinal fusion hardware and laminectomies . No acute osseous abnormality seen .
    OUTPUT:
    
New right lower lobe opacity and small right pleural effusion concerning for pneumonia . Unchanged hilar and mediastinal lymphadenopathy as detected on the prior CT .