Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright view of the chest provided . The lungs are clear . No signs of pneumonia or CHF . No effusion or pneumothorax . The heart size appears within normal limits . The mediastinal contour is normal . The imaged bony structures are intact . There is no free air below the right hemidiaphragm .
    OUTPUT:
    
No acute findings in the chest .