Term: lower GI series Pronunciation: (LOH-er ... SEER-eez) May 24, 2024October 7, 2025 Description: X-rays of the colon and rectum that are taken after a person is given a barium enema. Related Posts:Increased Physical Activity Associated with Lower…FDA Approves REBLOZYL® for Patients with Lower-Risk…Lower Dose of XARELTO® Adequate for Prevention of…Higher Plasma Vitamin D Levels Associated with Lower…Efficacy of Low Dose Decitabine and Azacitidine in…Ovarian Ablation or Suppression May Lower the Risk…