Ultrasound Elastography of Breast Lesions

Inclusion Criteria:

patients who have been referred to a breast ultrasound because of a positive physical palpation and/or positive mammograms and/or positive ultrasound and/or positive MRI.
female
age 21 or older
provide informed consent

Exclusion Criteria:

Women who are unwilling or unable to provide informed consent
Women with breast implants
Women with superficial lesions or lesions on skin (with the most superficial surface of the lesion within 5 mm of the skin surface)
Women who are pregnant or breastfeeding
Women who are undergoing chemotherapy or radiotherapy for any cancer
Women with previous breast conserving surgery on the breast of interest Note: Previous excision of a benign lesion 4 cm or more away from the suspected lesion does not constitute an exclusion criterion.