I am extremely sorry to hear such thing, I hope this doesn't impact your mental health , those who apply under PWD category most of the them have either serious visual or auditory defects or sometimes severe paralysis but if you go through CAT Brochure and you find your above-mentioned diseases to be mentioned in the PWD list , then you can apply. Explore more about the details of CAT examination through this link

https://bschool.careers360.com/articles/cat-eligibility-criteria