Maturation of tumors of the sympathetic nervous system.Report of long-term survival in 2 patients, one with disseminated osseous metastases, and review of cases from the literature

left leg was present.No asymmetry or wasting P undifferentiated malignant embryonal neo-were noted and the neurologic examination plasm and in its metastatic deposits, with re-showed no abnormalities.At this time exsultant transformation into a benign inactive amination of the abdomen revealed no abnormalities.Roentgenograms of the pelvis disclosed a small punched-out area in the roof analogue, is a unique phenomenon.The cases