Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single supine AP portable view of the chest was obtained . Underlying trauma board and other external artifact partially obscures the view . No focal consolidation is seen . There is no pleural effusion or evidence of pneumothorax . The cardiac and mediastinal silhouettes are unremarkable . No evidence of a displaced fracture is seen .
    OUTPUT:
    
No acute cardiopulmonary process .