Second breast lump found

Hi,

Back in September-December I went back and forth to the breast clinic with a small hard lump - initially diagnosed as a lymph node but eventually biopsied and was a fibrodenoma.

Now, 4/5 months since last ultrasound/MRI I have found a second lump. Doctor has referred me and tried to reassure that it’s unlikely to be sinister after such recent checks but I’m still terrified.

Just looking for any thoughts on a second lump so soon after all clear from the first.

Thanks,

Claire