Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable semi upright view of the chest . Overlying EKG leads are present . Lungs are hyperinflated . There is a vague residual opacity spurs projecting over the right and left lung base . While this may represent atelectasis / partially layering effusion , the possibility of pneumonia is difficult to exclude . Otherwise the lungs appear well aerated . No evidence of edema , pneumothorax . The cardiomediastinal silhouette is stable . Bony structures are intact . Residual barium is noted within bowel in the upper abdomen .
    OUTPUT:
    
Minimal opacity projecting over the lung bases , question effusion / atelectasis . Can not exclude pneumonia .