U.S. flag

An official website of the United States government

GTR Home > Conditions/Phenotypes > Breast neoplasm

Summary

A tumor (abnormal growth of tissue) of the breast. [from HPO]

Genes See tests for all associated and related genes

  • Related genesHelp

Clinical resources

Practice guidelines

  • NICE, 2024
    UK NICE Guideline NG101, Early and locally advanced breast cancer: diagnosis and management, 2024
  • NCCN, 2023
    Breast Cancer, NCCN Guidelines Version 4.2022
  • NCCN, 2022
    Breast Cancer Screening and Diagnosis, NCCN, Version 1.2022
  • NICE, 2018
    Tumour profiling tests to guide adjuvant chemotherapy decisions in early breast cancer (DG34)
  • NICE, 2018
    Tumour profiling tests to guide adjuvant chemotherapy decisions in early breast cancer, NICE, 2018
  • NCCN, 2014
    National Comprehensive Cancer Network Clinical Practice Guidelines in Oncology. Breast Cancer (See 2022 Update)
  • NICE, 2013
    DG10 Gene expression profiling and expanded immunohistochemistry tests for guiding adjuvant chemotherapy decisions in early breast cancer management: MammaPrint, Oncotype DX, IHC4 and Mammostrat: information for the public
  • AHRQ, 2013
    Technology Assessment on Genetic Testing or Molecular Pathology Testing of Cancers with Unknown Primary Site to Determine Origin (ARCHIVED)
  • NCCN, 2011
    NCCN Task Force report: Evaluating the clinical utility of tumor markers in oncology.

Consumer resources

IMPORTANT NOTE: NIH does not independently verify information submitted to the GTR; it relies on submitters to provide information that is accurate and not misleading. NIH makes no endorsements of tests or laboratories listed in the GTR. GTR is not a substitute for medical advice. Patients and consumers with specific questions about a genetic test should contact a health care provider or a genetics professional.