Except there’s another tripod that dictates where you go on the hierarchy of controls: risk, severity, and cost. Because safety is typically considered an ancillary cost, unless the likelihood of something going wrong is high or the severity is spectacularly bad, management tends to not be int...
At the same time, the Scottish radiotherapist Ralston Paterson (1897–1981) who used X-rays for the treatment of lung cancer wrote, “In cases of true primary carcinoma of the lung, surgery as yet offers little hope of relief … A group of nineteen patients treated by high-voltage roentgen...