By Ryan Fahey An elderly widow is calling for a bus stop outside her home to be moved after a broken down bus made her miss a vital cancer operation. Parvinder Webra, 75, says her life has been made a misery as the 14 buses per hour rolling along the street that have prevented her getting any sleep. A broken down bus even stopped her getting out of her drive on one occasion, she says. Parvinder, a grandma living in Richmond, south west London, feels she’s unable to leave her property as the buses have “trapped” her in her driveway. The bus stop, which serves routes 110 and 111, sits directly i…