In a rare operation, doctors of a city-based hospital has successfully removed a 12 kg tumour from the abdomen of a 37-year-old woman.

Doctors at Global Hospital in Parel area, where the surgery was conducted on December 5, said that the woman, who lives in Central suburbs of the city, complained of a stiff and a continuous bloating stomach for the last 6 months. She however, never experienced any pain.