Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Lung volumes are low . Elevated right hemidiaphragm is again noted . Left lung base is poorly assessed . The mid upper lungs appear well aerated . No large effusion or pneumothorax . The heart size appears enlarged of the right heart border is obscured . Mediastinal contour stable . Bony structures are intact .
    OUTPUT:
    
Stable elevation of the right hemidiaphragm . Suboptimal assessment of the left lung base . Otherwise unremarkable . Consider dedicated PA and lateral radiographs with more optimal inspiratory effort to better assess .