I had radioactive dye injected which made my boob super weirdly yellow. No blue dye from memory.
My nipple has not been changing colours but my boob has or should I say the area lumpectomy was done on changes colours and my surgery was back on 31st March.
Sometimes it is yellowish other times brownish and alarmingly turned inflamed red after my 2nd chemo which was on Tue. Had me freaking out yesterday and today the bright inflamed pink and red has gone brownish.
I will be asking Oncologist about it when i see him in 3 weeks ir if it jeeps on getting inflamed will try to see the nurse earlier.
I think you need to flag any changes to them and try to take photos when things haopen seeing that it may look different by the time.you see them as having a photo will help them.
But definitely flag it when you see them.
Jel