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Childhood Soft Tissue Sarcoma Treatment (PDQ®): Treatment - Patient Information [NCI] - Stages of Childhood Soft Tissue Sarcoma

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One method used to stage childhood soft tissue sarcoma is based on how much cancer remains after surgery to remove the tumor and whether the cancer has spread:

Nonmetastatic childhood soft tissue sarcoma

In nonmetastatic childhood soft tissue sarcoma, the cancer has been partly or completely removed by surgery and has not spread to other parts of the body.

  • Group I: The tumor has been completely removed by surgery.
  • Group II: After surgery to remove the tumor, there are remaining cancer cells that can be seen only with a microscope .
  • Group III: After surgery , there is tumor remaining that can be seen with the eye.

Metastatic childhood soft tissue sarcoma

  • Group IV: The cancer has spread from where it started to other parts of the body (metastasis).

Another method used to stage childhood soft tissue sarcoma is based on the size of the tumor and whether cancer has spread to lymph nodes or other parts of the body.

This staging system is based on the following:

  • The size of the tumor.
  • Whether the tumor has spread to the lymph nodes.
  • Whether the tumor has spread to other parts of the body.

cdr0000415526.jpg
Pea, peanut, walnut, and lime show tumor sizes.

Stage I

Stage I is divided into stages IA and IB:

  • In stage IA, the tumor is low-grade (likely to grow and spread slowly) and 5 centimeters or smaller. It may be either superficial (in subcutaneous tissue with no spread into connective tissue or muscle below) or deep (in the muscle and may be in connective or subcutaneous tissue).
  • In stage IB, the tumor is low-grade (likely to grow and spread slowly) and larger than 5 centimeters. It may be either superficial (in subcutaneous tissue with no spread into connective tissue or muscle below) or deep (in the muscle and may be in connective or subcutaneous tissue).

Stage II

Stage II is divided into stage IIA and stage IIB:

  • In stage IIA, the tumor is mid-grade (somewhat likely to grow and spread quickly) or high-grade (likely to grow and spread quickly) and 5 centimeters or smaller. It may be either superficial (in subcutaneous tissue with no spread into connective tissue or muscle below) or deep (in the muscle and may be in connective or subcutaneous tissue).
  • In stage IIB, the tumor is mid-grade (somewhat likely to grow and spread quickly) and larger than 5 centimeters. It may be either superficial (in subcutaneous tissue with no spread into connective tissue or muscle below) or deep (in the muscle and may be in connective or subcutaneous tissue).

Stage III

In stage III, the tumor is either:

  • high-grade (likely to grow and spread quickly), larger than 5 centimeters, and either superficial (in subcutaneous tissue with no spread into connective tissue or muscle below) or deep (in the muscle and may be in connective or subcutaneous tissue); or
  • any grade, any size, and has spread to nearby lymph nodes.
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WebMD Public Information from the National Cancer Institute

Last Updated: February 25, 2014
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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