A study published in the journal Psycho-Oncology in October of 2013 showed that even though being diagnosed with breast cancer is intially a very stressful and fear-filled experience, there are benefits that included enhanced personal relationships, increased appreciation for life, a sense of personal strength, greater spirituality, and changes in life's goals.
Of course, we should consider these things long before we're close to death. They are what provides our lives with their most important values. Sadly, all too often we're overfocused on material wealth and power.