Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Airspace opacity in the medial right lung base is concerning for pneumonia . Left lung is clear . No large effusion or pneumothorax . Heart size is within normal limits . The mediastinal contour is normal . Bony structures are intact .
    OUTPUT:
    
Opacity at the right medial lung base , possibly representing pneumonia . Recommend lateral view to further localize and characterize . Followup to resolution is needed .