Dr R K Mathur, who led the five-member team of doctors which conducted the surgery yesterday, said the woman's condition was stable.
The woman suffered from a mental disorder which led her to tear out and chew the hair from her head. Over a period of time the hair formed a hard lump inside the stomach, he told PTI.
Had the hair not been removed from her stomach, it would have caused a serious medical problem, Dr Mathur added.
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