The 82-year-old singer says the disease is in its early stages and he plans to be back on stage in February

Barry Manilow has revealed that he has been diagnosed with lung cancer and will undergo surgery.

The 82-year-old singer, whose parade of high-spirited hits from Copacabana to Mandy has made him one of pop music’s most beloved showmen, will have surgery to remove part of his lung in an effort to fight off the disease, which is in its early stages.

He has postponed a string of upcoming live performances, but suggested he would be back on stage by Valentine’s Day for his longstanding residency at the Westgate Las Vegas Resort and Casino.

In a statement on social media, Manilow said: “As many of you know, I recently went through six weeks of bronchitis followed by a relapse of another five weeks.