United Kingdom, May 22 -- Miley Cyrus has a "very large polyp" on her vocal cord but is "not willing" to have it removed in case it changes her voice.

The 'Flowers' hitmaker explained the sound of her distinctive low-pitched voice is partly due to both the growth and Reinke's Edema - swelling of the vocal folds due to fluid accumulation - and though the conditions mean she finds it "extremely difficult" to perform, she doesn't want to have surgery in case she no longer sounds like herself afterwards.

Speaking on Apple Music 1's 'The Zane Lowe Show', she said: "I had the Reinke's Edema, which is something that is called, it's abuse of the vocal cords. And being 21 and staying up and drinking and smoking and partying after every show does...