title: In Reply to Leung.
authors.affiliation: Department of Radiology, University of the Philippines, Philippine General Hospital, Manila, Philippines.
authors.forename: Johanna Patricia A
authors.initials: JP
authors.lastname: Cañal
mesh_terms: D006801:Humans; D018787:Radiation Oncology / Q000458:organization & administration*; D011878:Radiotherapy