Stage A

Localized primary tumor, as defined for stage 1, 2A, or 2B, with dissemination limited to skin, liver, and/or bone marrow (limited to…

Stage 4 neuroblastoma is divided into stages 4 and 4S. In stage 4, the tumor has spread to distant lymph nodes, the…

In stage 3 neuroblastoma, the tumor (1) cannot be completely removed during surgery and has spread from one side of the body…

Localized tumor with or without complete gross excision, with ipsilateral nonadherent lymph nodes positive for tumor. Enlarged contralateral lymph nodes must be…

Localized tumor with incomplete gross excision; representative ipsilateral nonadherent lymph nodes negative for tumor microscopically. (cancer.gov)

Stage 2 is divided into stages 2A and 2B. In stage 2A, the tumor is in one area only and not all…