If you google "cystic fibrosis jail"
you will find a lot of articles, several about people getting reduced jail term because of CF.
Here is just one:
<a target=_blank class=ftalternatingbarlinklarge href="http://www.herald.ie/national-news/courts/drug-dealer-with-cystic-fibrosis-escapes-jail-term-1774932.html
">http://www.herald.ie/national-...ail-term-1774932.html
</a>
Based on your sig, I am assuming your arrest had to do with marijuana?