I hope this message finds you well, present circumstances excluded. I am a licensed attorney with over a decade of employment law experience. It is a pleasure to assist you. I recently had a relative that was very sick with the same illness - it is very serious and I hope that you make a full recovery in short order.
As to the situation, employees are protected under the Civil Rights Act, by way of the Americans with Disabilities Act (ADA) from being discriminated against based on a medical disability. A medical disability is a loose term, but in short, it means anything that prevents a person form performing one or more life duties. Cedef would definitely fall into that category.
Since you were terminated by your employer and they had full knowledge of your illness, they have violated your ADA rights, unless they tried to make reasonable accommodations for you and they can demonstrate that those accommodations did not work. I have a feeling that is not the case.
This means that you have a very viable claim against the employer through the EEOC. As such, I suggest that you contact the EEOC as soon as possible about filing a complaint for unlawful termination in view of the ADA. They will review your case and likely allow you to file suit in federal court against the employer for damages and attorney fees based on the actions of the employer in violation of your rights.
Let me know if you have any other questions.
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Thanks and Best wishes!