TNFRSF11B and ankylosing spondylitis: SNPs located near TNFSF11, TNFRSF11A, and TNFRSF11B have been reported to be closely associated with Paget's disease (20), osteoporotic fractures (21), cardiovascular diseases (22), ankylosing spondylitis (11), and breast (23), and esophageal cancers (24).