General Medicine General 3664e5c1 A 35 years old mother of two children is suffering from amenorrhea for last 12 months. She has history of failure of lactation following 2nd delivery but remained asymptomatic thereafter. Skull X-ray shows "Empty sella". Most likely diagnosis is: A Menopause B Pituitary tumor C Sheehan's syndrome D Intraductal papilloma of breast