The fact that the lump shrinked sounds promising. I would go back to the doctor to see what they say.
You could always ask for orders for another mammo. They will have the first one to compare to if anything has changed.
Moderator UC and Breast Cancer forums
Sheri-42 years old
Diagnosed UC/IBS 04/09-Left sided 01/13 Endo showed gastritis and Colonoscopy showed only 2 cm of rectal inflammation 2015 Flex Sig showed everything clear and biopsy were clear too.
Diagnosed in Jan 2013 with Chronic Uticartia
Meds-2 Lialda, Aciphex, Allegra, Singulair, Vitamin D3, Hydroxyzine (as needed), probiotics, Canasa 3xwk