Congenital absence of sacrum and coccyx.
D000015:Abnormalities, Multiple; D003050:Coccyx / Q000002:abnormalities*; D000013:Congenital Abnormalities; D006801:Humans; D009421:Nervous System Malformations; D012447:Sacrum / Q000002:abnormalities*; D013118:Spinal Cord Diseases; D013577:Syndrome
ABNORMALITIES; COCCYX/abnormalities; SACRUM/abnormalities