Vicky Phelan has been forced to pull out of Charlie Bird's Croagh Patrick climb as her health deteriorates.
The cervical cancer campaigner had to make the "hard decision" as she gave followers an unfortunate health update.
Sharing a photo from her bed in Milford Care Centre in County Limerick, where she was recovering from complications which occurred during radiotherapy treatment, she revealed that "nothing could have prepared me" for her recent experience.