The Chicago Bulls announced Saturday that center Ömer Aşık will be out indefinitely due to an arthritis condition that developed over the summer.

The announcement was made on the team's official Twitter account, which stated that Aşık has been receiving ongoing medical treatment and management for his chronic inflammatory condition.

The 7-footer athlete has been diagnosed with reactive arthritis, a painful autoimmune disorder which affects the joints, and sacroiliitis, which causes pain and stiffness in the lower spine and pelvis.

Aşık had also been absent from the courts for eight months during the 2016-2017 season due to Crohntarget="_blank"'>