Original sentence: over the years while still suffering from the illness, with a positive and determined to live mentality was able to control the effects of the disease and continued performing, sadly, 11 years after being diagnosed she died on April 1, 2007
Edited sentence: over the years while still suffering from the illness, with a positive and determined to live mentality was able to control the effects of the disease and continued performing, sadly, 11 years after being diagnosed she passed away on April 1, 2007