As I mentioned, I was unable to find any overlap between my two co-morbidities: papillary RCC type 1 and my Meningioma.

However, my friend Bruce showed me this paper, which states that the NF2 mutation is a key driver and also identifies PIK3CA, BAP1, SMARCB1, BRAF, PTEN, CDKN2A, and TERT.  All these were also identified as potential genetic drivers for my papillary kidney cancer type 1 in my 2018 hackathon.