Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are normal . There is patchy consolidation on the left , suspicious for pneumonia . On the frontal view , it appears to be silhouetting the left heart border , which suggests that it is located in the lingula . However , on the lateral view , this consolidation appears to be localized to the left upper lobe . Heart is normal in size . There is ipsilateral hilar prominence , likely representing reactive lymphadenopathy . Small pleural effusion . No pleural effusion on the right . No pneumothorax .
    OUTPUT:
    
Left upper lobe pneumonia , with a small associated pleural effusion and probably reactive hilar lymphadenopathy .