Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate slightly low lung volumes . The cardiomediastinal silhouette is within normal limits . Increased opacity projecting over a lower thoracic vertebral body on lateral view likely corresponds to increased opacity in the region of the right heart border . Allowing for differences in inspiratory phase , this likely corresponds to a right upper lobe pneumonia seen on CT from ___ . No pleural effusion or pneumothorax is visualized . Right hilar clips are again noted .
    OUTPUT:
    
Right upper lobe pneumonia , similar to CT from ___ .