Add Comment Question: I had to stop work due to operations and cancer treatment for a year.applying for disability Is this a good substantial reason Answer: Yes but to qualify and stay on disability you need your doctors to say in a letter that because of your condition/illness you can't work at this time. Your Comment * Your Email * Your Name * Your City Note, your name, city and email is not displayed on the website. It is used to notify you that we have approved your comment.