Federico L Ampil1, Gloria Caldito2, Ghali E Ghali3. 1. Department of Radiology, University Health, USA; Feist-Weiller Cancer Center, 1501 Kings Highway, Shreveport, LA 71130, USA. Electronic address: fampil@lsuhsc.edu. 2. Department of Biometry, University Health, USA; Feist-Weiller Cancer Center, Shreveport, LA 71130, USA. 3. Department of Oral Maxillofacial Surgery, University Health, USA; Feist-Weiller Cancer Center, Shreveport, LA 71130, USA.