Complex sentence: On September 18,2012, Sabol died of brain cancer in Moorestown, New Jersey, 18 months after being diagnosed with an inoperable brain tumor in March 2011.
Split into simpler sentences: On September 18,2012, Sabol died of brain cancer in Moorestown, New Jersey, 18 months after being diagnosed. Sabol was diagnosed with an inoperable brain tumor in March 2011.