NEJM Interview: Dr. H. Gilbert Welch on trends in the incidence of metastatic cancers and their implications for both screening and our understanding of cancer.

Dr. H. Gilbert Welch is a professor of medicine at the Dartmouth Institute of Health Policy and Clinical Practice. Stephen Morrissey, the interviewer, is the Managing Editor of the Journal. H.G. Welch, D.H. Gorski, and P.C. Albertsen. Trends in Metastatic Breast and Prostate Cancer - Lessons in Cancer Dynamics. N Engl J Med 2015;373:1685-7.