I place my laptop in my lap frequently to work. Is there a risk of radiation issues by doing that?

Mild. There is a mild risk of electromagnetic radiation. This is particularly important to men, since it may cause reduction in sperm motility and increase in fragmentation of the dna in the sperm. Citation: avendaño c, mata a, sanchez sarmiento ca, doncel gf. Fertil steril. 2012 jan;97(1):39-45.E2. Epub 2011 nov 23.
Laptops on Laps. Laptops also generate a significant amount of heat that can over time interfere with sperm production. Laptops are not meant for laps, particularly if you are trying to conceive a child.