Hi,Thanks for the query to HCM.
-I studied your query in depth and understood your concerns.
-Cause of the burning lump in the armpit - is-
-In your case it is due to the boil mostly as it itches and pains severly lately.
-I can understand your worry,why the armpit is getting painful when the blow was more on the elbow.
-The finding of the breast lumps is coincidental and is being treated by your doctor rightly.
Don't get Worried and Desperate as its not
breast Cancer.
Don't worry and things will settle
Hope this would resolve your query.
Welcome further for any query in this regard.
Wishing you a fast recovery.
Don't forget to Write a good review ASAP.
Have a Good Day.