TABLE 3.

NCCN categories of evidence and consensus

Category 1: Based upon high‐level evidence, there is uniform NCCN consensus that the intervention is appropriate.

Category 2A: Based upon lower‐level evidence, there is uniform NCCN consensus that the intervention is appropriate.

Category 2B: Based upon lower‐level evidence, there is NCCN consensus that the intervention is appropriate.

Category 3: Based upon any level of evidence, there is major NCCN disagreement that the intervention is appropriate.