Published Monday, 23 September 2013
The 73-year-old has been receiving treatment for a heart condition since her terrifying health scare, and it has now emerged she is to undergo an operation on Friday.
Dawn will have a pacemaker fitted in a bid to regulate her heartbeat, according to The Sun.
The actress retired in 2008 due to health problems.
Her character in the long running soap, Vera Duckworth, was killed off by heart failure.