Some bubble like things on my Harglow apricot

[peggyhamill]

Just saw these on my 4 year old apricot. I have never seen them before. It looks like a canker to me. Any other ideas? Any thoughts on what I should do if anything? The tree has been healthy and vigorous.

[smsmith]

Gummosis
https://www.missouribotanicalgarden.org/gardens-gardening/your-garden/help-for-the-home-gardener/advice-tips-resources/pests-and-problems/diseases/cankers/gummosis-of-fruit-trees.aspx