What are worst side effects of cancer radiation and surgery?

Need More Info: The side effects of both surgery and radiation therapy are dependent on the specific type of cancer that is being treated.

Depends: Side effects of radiation will depend upon what area is radiated. As an example- radiation of the head and neck can lead to decreased saliva production and increased cavities; sore mouth; changes in taste; sore throat. Side effects of surgery depend upon where and what type of surgery is performed.