title: An unusual case of sirenomelia.
mesh_terms: D000015:Abnormalities, Multiple; D000328:Adult; D000650:Amnion; D000653:Amniotic Fluid; D005149:Facial Expression; D005260:Female; D006330:Heart Defects, Congenital; D006801:Humans; D007231:Infant, Newborn; D007668:Kidney / Q000002:abnormalities; D007866:Leg / Q000002:abnormalities; D008168:Lung / Q000002:abnormalities; D008297:Male; D011247:Pregnancy; D011272:Pregnancy, Multiple; D014427:Twins; D014469:Umbilical Arteries / Q000002:abnormalities