National Comprehensive Cancer Network
About the NCCN Clinical Practice Guidelines in Oncology™
Recent Updates to NCCN Clinical Practice Guidelines in Oncology™
NCCN Categories of Evidence and Consensus
NCCN Guidelines Steering Committee
Submission Request to the NCCN Guidelines Panels
NCCN Guidelines Panels-Meeting Schedule
NCCN Drugs & Biologics Compendium™
About the NCCN Drugs & Biologics Compendium™
No Longer Recommended Uses
NCCN Chemotherapy Order Templates™
JNCCN – The Journal of the National Comprehensive Cancer Network
JNCCN Task Force Supplements

Clinical Recommendations
NCCN Categories of Evidence and Consensus
- Category 1: The recommendation is based on high level evidence (e.g. randomized controlled trials) and there is uniform NCCN consensus.
- Category 2A: The recommendation is based on lower level evidence and there is uniform NCCN consensus.
- Category 2B: The recommendation is based on lower level evidence and there is nonuniform NCCN consensus (but no major disagreement).
- Category 3: The recommendation is based on any level of evidence but reflects major disagreement.
All recommendations are category 2A unless otherwise noted.
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