The Slade frontman was cracking jokes as he spoke about the last-ditch treatment which saved his life.
Noddy, 77, was given six months to live when he was diagnosed with oesophagus cancer five years ago.
But he signed up for trials of a new drug and his latest scans have shown he is doing well.
He told Radio 2: “It was touch and go. I lost all my hair. My weight was down to about eight stone. So every cloud.
“I’ve just had a scan last week and everything’s on an even keel at the moment, so I hope it carries on that way.
“I’m fit, fit, fit… but I’m fit for nothing.”
The Merry Xmas Everybody rocker and wife Suzan kept his cancer fight secret for five years.
But he spoke out earlier this year to highlight the work of the Christie in Manchester.
He told Radio 2’s Johnnie Walker: “I was more worried for Suzan and the kids and the grandkids than I was for myself, really, because I knew it’d be much more of a trauma or certainly an equal trauma for them as it was for me.
“Five years later, I’m still standing, in the words of Elton.”