] Doctors at Chimkent Children's Hospital in Kazakhstan
] originally believed Mourat Zhanaidarov was suffering from
] a cyst.
]
] But during surgery, they discovered he was in fact
] carrying the dead foetus of his twin brother.
]
] The foetus had developed into a tumour but was found to
] have hair, nails and bones.

] Valentina Vostrikova, chief surgeon at Chimkent
] Children's Hospital, told the newspaper: "It was
] remarkable. For seven years it lived like a parasite
] inside the boy's body."

BBC NEWS | Health | Boy 'pregnant' with twin brother