[Ewing's tumor: presentation of a case].
D001064:Appendicitis; D006801:Humans; D007717:Knee; D008499:Medical Records; D009369:Neoplasms; D012509:Sarcoma; D012512:Sarcoma, Ewing
APPENDICITIS/neoplasms; KNEE/neoplasms; SARCOMA, EWING'S/case reports