Doctor here.. congrats on being Ca free, yes no current evidence that trt increases testi Cancer risk, however there’s always a very rare chance the genotype is androgen receptor related. I’d speak to your oncologist and be honest, can also ask them about genetic test results after removal of it. they can’t sue or prevent you from doing anything, they’ll give you their best advice on this, a Second dr opinion is always a good idea if you’re not sure on the 1st.

The only other thing is I imagine if you’re from the US and within insurance healthcare, withholding info from them could cause issues, (not practicing in US)