Most chemicals that cause reactions when mixed with other chemicals kill off mutating cells. I reckon most of the contents of the cleaning cupboard will do the trick .

However, excision is not the aim of chemotherapy. Surgery is quicker and without side effects. Chemotherapy selectively renders at risk cells inert. The iodine based antiseptics used during surgery have the exact same effect according to Mrs Musket (consultant surgeon and regional clinical lead for cancer for NHS England.). She reckons Simoncini tried submitting a paper but BMJ and The Lancet rejected it as flawed.

As someone who used to be saddled with trying to balance NHS budgets that can't be balanced, I for one would be shouting from the roof tops if we could get a licence to pop down to Tesco rather than write cheques to the pharmaceutical industry...