title: Left calf mass in a 13-year-old boy.
authors.affiliation: University of Pennsylvania School of Medicine, Philadelphia, PA, USA.
authors.forename: Andrew
authors.initials: A
authors.lastname: Jawa
authors.forename: Julia
authors.initials: J
authors.lastname: Lou
authors.forename: Lisa
authors.initials: L
authors.lastname: States
authors.forename: David F
authors.initials: DF
authors.lastname: Carpentieri
authors.forename: John P
authors.initials: JP
authors.lastname: Dormans
mesh_terms: D000293:Adolescent; D001859:Bone Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000628:therapy; D003131:Combined Modality Therapy; D003937:Diagnosis, Differential; D003952:Diagnostic Imaging; D006801:Humans; D008297:Male; D012512:Sarcoma, Ewing / Q000175:diagnosis* / Q000473:pathology / Q000628:therapy; D013977:Tibia / Q000473:pathology*