This story is rather gloomy:
http://www.nlm.nih.gov/medlineplus/n...ory_80599.html
http://jama.ama-assn.org/cgi/content/short/301/7/753
The abstract makes it clear that
35.6% of breast cancer survivors were unemployed vs 31.7% of the control group. The worst rates were for gastric and female reproductive cancers.
I found holding on to my job during herceptin hard, so I found this interesting.