The next couple lines in there refer to cancers, something specifically called non-Hodgkin lymphoma. I think, at least in my practice, when I’m prescribing these medications, this is where I spend most of my time talking with patients and their families about the real risks of cancers that are associated with these. And I find when I look around the Internet for information, this is what pops up most often. So we do have to put things in perspective here. The risk of developing lymphoma or non-Hodgkin lymphoma, which really is the main cancer that we worry about with these medications, is only about 4 people out of 10,000 people who take it. To keep that in perspective, on no medications, just a random person walking around the street in the United States has approximately a risk of 2 people out of 10,000. So although if you were writing a news article, you might write that these medications double your risk of cancer, really what we’re talking about is 2 people out of 10,000 and increasing that to 4 people out of 10,000. I did put a line there because of course having lymphoma is not the only thing you have to worry about. Is it treatable? Can you make it through? Fortunately, more than two thirds of people who develop these lymphomas are actually treated completely, and it’s not a further problem. So, again, not something you want, but treatable if it develops.
Source:
http://www.ccfa.org/webcasts/Risk%20and%20BenefitsTranscript.pdf