Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . There is no focal consolidation , effusion , or pneumothorax . The heart size is normal . No free air below the right hemidiaphragm is seen . Streaky opacities overlying the lower neck correspond to subcutaneous gas seen on CT C - spine .
    OUTPUT:
    
1 . No pleural effusion . 2 . Streaky opacities overlying the lower neck correspond to subcutaneous gas seen on CT C - spine .