Is it unjust if a boss fires a member of staff because the workers medical bills on the insurance are giant?

can a employer fire and employee because of the medical bills on the insurance when a employee have cancer and needs treatment.
Answers:
Yes, if the boss not paying from his pocket..
yes, i forgot what the legal term is but yeah. you can sue and go and get money but it will take like 5 years.
yes they can there be a big deal about this on the word recently a woman was fired for have breast cancer and it was costing the company insurance to much money..when they brought lawyers on to verbalize about it (after she sued and lost) they all said that althou it is hurt it is allowed

Related Questions:
Please i own no medical insurance i must capture into 28 time drug program be and who can comfort me?   Can I return with diagnosed beside adhd in need medical insurance?   I enjoy no medical insurance and I reason I own BV...what do i do?   Can my company cash the co-pay for medical insurance during a current policy possession?   Medical Insurance Letter (medical, hospitalization, repatriation expenses coverage) for Schengen Visa?