Because the only hint was his mom looking more haggard every day in healthcare facility, I am assuming It really is cancer, which normally involves a prognosis and timeline (XX months to Reside, and many others). MC's mom eventually passed away throughout the five years that MC's brother disappeared. http://troykalwf.look4blog.com/19786281/new-step-by-step-map-for-uts-book-9-chapter-60