PHAR’s Michael S. Broder, MD, MSHS, Sarah N. Gibbs, MPH, and Irina Yermilov, MD, MPH, in collaboration with GRAIL, estimated the progression rate of 20 solid cancers and lymphoma during the period before the cancers are diagnosed. As this period can’t be directly observed, the authors organized a RAND/UCLA modified Delphi panel to have experts provide estimates of progression rates. These estimates may be useful when determining the appropriate interval for cancer screening tests. The abstract was published in the May 2021 supplement issue of the Journal of Clinical Oncology and can be read here.