title: Pathologic quiz case: a 53-year-old man with a slowly enlarging mass in the right leg.
authors.affiliation: Institute of Molecular Pathology and Immunology, University of Porto (IPATIMUP), Porto, Portugal. jsreis@hotmail.com
authors.forename: Jorge S
authors.initials: JS
authors.lastname: Reis-Filho
authors.forename: José Manuel
authors.initials: JM
authors.lastname: Lopes
mesh_terms: D006801:Humans; D007866:Leg / Q000473:pathology* / Q000601:surgery; D008297:Male; D008875:Middle Aged; D012983:Soft Tissue Neoplasms / Q000175:diagnosis* / Q000601:surgery; D040521:Subcutaneous Tissue / Q000473:pathology / Q000601:surgery