A divided federal appeals court has rejected a challenge to a judge’s decision to send an Indiana man suffering from a particularly malignant form of leukemia to prison.The 7th U.S. Circuit Court of Appeals on Friday upheld the two-year sentence imposed on Jeffrey Rothbard for defrauding companies seeking loans to make environmentally friendly improvements to their facilities.The court’s majority conceded nilotinib, the drug used to treat Rothbard’s imatinib-resistant chronic myeloid leukemia, costs $115 …