Treatment of Hodgkin’s Lymphoma is so harsh that it often creates secondary cancers after it cures the first. A study in Holland tried to determine whether reductions in the intensity of radiological treatments mitigated this effect:

Every cloud, it is said, has its silver lining: but does every silver lining have its cloud? So it often seems in daily life, and there is no situation so favorable that men are incapable of extracting disaster from it. But medicine is one field in which progress seems almost unalloyed: setbacks are at worst temporary. After all, there had to be antibiotics before there was resistance to antibiotics.