#sarcoma  a usually malignant tumor arising from connective tissue (bone or muscle etc.); one of the four major types of cancer
  supertype:  cancer__malignant_neoplastic_disease  any malignant growth or tumor caused by abnormal and uncontrolled cell division; it may spread to other parts of the body through the lymphatic system or the blood stream
  subtype:  chondrosarcoma  a malignant neoplasm of cartilage cells
  subtype:  Ewing's_sarcoma__Ewing's_tumor__Ewing's_tumour__endothelial_myeloma__endothelialmyeloma  malignant tumor in bone marrow (usually in the pelvis or in long bones)
  subtype:  Kaposi's_sarcoma  a sarcoma that starts with purplish spots on the feet and legs and spreads from the skin to lymph nodes and internal organs; a common manifestation of AIDS; "until 1980 Kaposi's sarcoma occurred almost exclusively with Jewish or Italian or black men"
  subtype:  leiomyosarcoma  sarcoma of smooth muscle; occurs most often digestive tract or uterus or bladder or prostate
  subtype:  liposarcoma  sarcoma of fat cells
  subtype:  myosarcoma  sarcoma of muscle tissue
  subtype:  neurosarcoma__malignant_neuroma__malignantneuroma  a malignant neoplasm of nerve tissue and fibrous tissue and connective tissue
  subtype:  osteosarcoma__osteogenic_sarcoma  malignant bone tumor; most common in children and young adults where it tends to affect the femur
  subtype:  rhabdomyosarcoma__rhabdosrcoma  a highly malignant neoplasm derived from striated muscle
     subtype:  embryonal_rhabdomyosarcoma__embryonalrhabdomyosarcoma__embryonal_rhabdosarcoma__embryonalrhabdosarcoma  form of rhabdomyosarcoma occurring mainly in infants and children
     subtype:  alveolar_rhabdomyosarcoma__alveolar_rhabdosarcoma  form of rhabdomyosarcoma occuring mainly in adolescents and young adults
     subtype:  pleomorphic_rhabdomyosarcoma__pleomorphicrhabdomyosarcoma__pleomorphic_rhabdosarcoma  form of rhabdomyosarcoma that affects limb muscles of older adults
  subtype:  Wilms'_tumor__Wilms_tumour__adenomyosarcoma__nephroblastoma__embryoma_of_the_kidney  malignant renal tumor of young children characterized by hypertension and blood in the urine and the presence of a palpable mass

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