It bears pointing out some inaccuracy in language here, notably that 'types' and 'cases' are not the same thing. Most 'types' of cancer are unequivocally about

It bears pointing out some inaccuracy in language here, notably that 'types' and 'cases' are not the same thing. Most 'types' of cancer are unequivocally about bad luck; nearly any cell line in your body can develop overproliferative mutations. There are hundreds of 'types' of cancer. 'Cases' and deaths from cancer are, globally and in the US, more environmentally influenced, because of the huge impact of smoking on lung and colorectal cancer incidence and mortality in particular.