An unusual bone tumour of the knee.
D001859:Bone Neoplasms; D005269:Femur; D006801:Humans; D007717:Knee; D016403:Lymphoma, Large B-Cell, Diffuse; D008228:Lymphoma, Non-Hodgkin; D009369:Neoplasms; D012509:Sarcoma
FEMUR/neoplasms; KNEE/neoplasms; SARCOMA, RETICULUM CELL