“…One certainly could be forgiven for wondering about the rationale for the study by Hess et al 1 With a few key exceptions, the use of RT largely is limited to the treatment of cancer in the modern era. However, in the early and mid‐20th century, RT was used for such diverse ailments as acne, gastric ulcers, tuberculosis, and pneumonia 3‐8 . It is this latter use that is of interest for the current clinical trial.…”