Complex sentence: The operation of the BNCT facility at the Finnish FiR1 research reactor (Triga Mk II), treating patients since 1999, was terminated in 2012 due to financial reasons and the fate of this BNCT facility is uncertain at this time.
Split into simpler sentences: The operation of the BNCT facility at the Finnish FiR1 research reactor (Triga Mk II), treating patients since 1999, was terminated in 2012 due to financial reasons. The fate of this BNCT facility is uncertain at this time.