Hello. Here is a possibly helpful link to try. Please comment back on whether or not it is helpful to you in your situation:
This is a US link. There is also a similar Canadian link but I am not sure what it is; maybe someone else has it for you in case you want to compare the two.
http://www.nccn.org/patients/patient.../3_work-up.asp
Let us know how things go for you,
-AlaskaAngel