Stage 3 neuroblastoma

Pronunciation

Definition 1

In stage 3 neuroblastoma, the tumor (1) cannot be completely removed during surgery and has spread from one side of the body to the other side and may also have spread to nearby lymph nodes; or (2) is in one area of one side of the body only, but has spread to lymph nodes on the other side of the body; or (3) is in the middle of the body and has spread to tissues or lymph nodes on both sides of the body, and the tumor cannot be removed by surgery. (NCI Dictionary)

Definition 2

Unresectable unilateral tumor infiltrating across the midline, with or without regional lymph node involvement; or localized unilateral tumor with contralateral regional lymph node involvement; or midline tumor with bilateral extension by infiltration (unresectable) or by lymph node involvement. The midline is defined as the vertebral column. Tumors originating on one side and crossing the midline must infiltrate to or beyond the opposite side of the vertebral column. (cancer.gov) (NCI Thesaurus)

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