My mother just died at age 65 of non-hodgkin's lymphoma (multiple lesions, large one in brain). what are my risks for nhl or other cancers? i'm 36.

Not much increased: The malignant lymphomas by and large don't run in families. A few genes are known but they are of small effect. Stop worrying and live as richly and wisely as you can. I also see you report erectile dysfunction; I hope this is getting worked up and especially that prolactinoma and hemochromatosis have been ruled out. Best wishes.