The author said that she is grateful to have been in remission for five years, but surviving cancer is hard in ways she wasn't expecting.Courtesy of Rachel Garlinghouse.I just had my anniversary and can say I have been in remission from breast cancer for five years.I am grateful for my health, but there are so many hard things about surviving cancer.Fear of recurrence and survivor's guilt are constantly on my mind. When the big day finally arriv…