Since then, many other drugs have been developed to treat cancer, and drug development has exploded into a multibillion-dollar industry, although the principles and limitations of chemotherapy discovered by the early researchers still apply.
Desde entón, desenvolvéronse moitos outros fármacos para tratar o cancro, e o desenvolvemento de fármacos converteuse nunha industria que move miles de millóns de euros, aínda que os principios e as limitacións da quimioterapia descubertos polos primeiros investigadores continúan aplicándose.