He reassured followers his surgery went effectively and final month has “been at home, recuperating, recovering and resting and getting some post-op treatment as well”.
He added that he feels “great right now” and “ready to come back”.
“I feel energised and almost back to myself, yes I’ve had a really serious situation but I’ve come out the other side at this point and I feel great. I feel raring to go and I feel in good health.”
Dan Knowles, chief government on the charity Brain Tumour Research, external, stated: “Every day, 35 people are diagnosed with a brain tumour.
“We thank Trevor for sharing his prognosis and remedy, serving to to boost consciousness of this illness and the affect it has on households throughout the UK. We are pondering of him and wishing him effectively as he navigates this journey.”
The father-of-two said he is back to doing things he enjoys like playing golf and going to the gym.
He urged fans not to worry about him and thanked everyone for their love and support.
Nelson, who presents a weekday afternoon present on Radio 2 and seems on 1Xtra late on a Sunday morning, celebrated 30 years on the BBC earlier this yr.