Longtime Republican U.S. Rep. Kay Granger of Texas is having "unforeseen health challenges” that have worsened in the final months of her more than two decades in Congress, a statement from her office said Monday.

U.S. Rep. Kay Granger, the retiring Fort Worth Republican who has been frequently absent from Congress for months, said in a statement Sunday she has been facing “health challenges.”

Rep. Kay Granger has not cast a vote in Congress since July and stepped down from the powerful House Appropriations Committee in March.