Going home to pick up the mail during her lunch break turned into an unexpected life-changing moment for Catherine Brunton Levitt. Sitting in her car outside her home, Levitt began to cry as she read a note from a fellow Deerfield mom, Jill Feldman, whose kids played youth sports with her children. The note was enclosed in an invitation to a fundraiser for the LUNGevity Foundation, a nonprofit lung cancer awareness organization. In the note, Feldman shared that she lost her parents, grandparents and an aunt to lung …