• metastatic
  • Secondary neoplasm refers to any of a class of cancerous tumor that is either a metastatic offshoot of a primary tumor, or an apparently unrelated tumor that increases in frequency following certain cancer treatments such as chemotherapy or radiotherapy. (wikipedia.org)
  • brain
  • In these cases, untreated survival usually amounts to only a few months, and survival with current radiation and chemotherapy treatments may extend that time from around a year to a year and a half, possibly two or more, depending on the patient's condition, immune function, treatments used, and the specific type of malignant brain neoplasm. (wikipedia.org)
  • Brain metastasis can be single or multiple and involve any portion of the brain. (wikipedia.org)
  • Renal
  • A malignant neoplasm derived from the transitional epithelium of the urinary tract (urinary bladder, ureter, urethra, or renal pelvis). (nih.gov)
  • cells
  • Specifically, it is an aggressive malignant neoplasm that arises from primitive transformed cells of mesenchymal origin (and thus a sarcoma) and that exhibits osteoblastic differentiation and produces malignant osteoid. (wikipedia.org)
  • portion
  • partial superficial parotidectomy - superficial parotidectomy where the surgeon excises only the portion of the gland surrounding the neoplasm. (wikipedia.org)