Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest has been obtained with patient in sitting semi-upright position . Comparison is made with the portable frontal view of the trauma examination of ___ . No significant new abnormalities are seen . As before , there is evidence of rather advanced emphysematous changes in the apical areas of both lungs . A torso CT , which has been performed during the latest examination interval , demonstrated a mass lesion in the right upper lobe . The latter can not be seen with certainty on this portable chest examination , but its further workup should be performed as recommended on the CT .
    OUTPUT:
    
No acute new abnormalities on portable chest examination 24 hours followup .