Leading tributes, John Prescott, the Deputy Prime Minister, said: "Roger served the Labour Party well for many years. He did many jobs in those years, always with enthusiasm and commitment. They were tough years to be a Labour frontbencher and we will always be grateful for the work he did. We will miss him."
The Government now faces a by-election in Mr Stott's seat, where he had a 22,643 majority at the 1997 general election.
Mr Stott, who served in the Merchant Navy and also worked as a telephone engineer, entered the Commons after winning the Westhoughton by-election in 1973.
He became MP for Wigan after boundary changes a decade later. He served as Parliamentary Private Secretary to Lord Callaghan of Cardiff from 1976-79. During 14 years on the Opposition front bench, he was a spokesman on transport, information technology, trade and industry and Northern Ireland.
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