TMPRSS2 and neoplasm: Each TMPRSS2‐ERG fusion positive tumor presented with minimally two and maximally five TMPRSS2‐ERG fusion isoforms (total of 40 fusion junctions), with three patients also presenting a novel fusion event: RP11‐356O9.1‐ETV1 in two patients and PTPRK‐LAMA2 in a single patient.