Last 2 days before i feel two very small cyst in under my arms and its paining when i touch it its does not show on skin ..but when i touched i feel them...and i do also ultrasound of breast annualy! Check up just before 2 days ago of cyst found ...and ultrasound is normal al is right and show birads 1 ...but how is it possible in one days after cyst can occur and today i feel 4 cyst firsty they are 2 and now they are 4 and very small and pain when touch...and no show outside just feel on touch...pls pls help me m toow orried