More than one location of tumors possible. Others including retroperitoneal/pubic bone (); and , each of the following tumor locations: interior vena cava; lower back; pelvis/peritoneal tissue; uterus; uterus/abdomen; uterus/abdomen/spine; uterus/fatty layer of colon; uterus/scalp/thyroid/skull base/pancreas; vagina; and vagina/vertebrae. Leg, lung, and spine (). Leg/foot (); abdomen, mediastinum (). Abdomen (); chest, underarms (), tongue, and lymph node (); uterus (). Leg, lung, and spine (); lymph node (); mediastinum ().