Probably monozygotic twins with discordance for Goldenhar syndrome.
D000015:Abnormalities, Multiple; D003884:Dermoid Cyst / Q000601:surgery; D004200:Diseases in Twins; D004967:Estrogens / Q000627:therapeutic use; D005134:Eye Neoplasms / Q000601:surgery*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008342:Mandibulofacial Dysostosis / Q000601:surgery*; D011247:Pregnancy; D011374:Progesterone / Q000627:therapeutic use; D013577:Syndrome
D004967:Estrogens; D011374:Progesterone