Section 431A.550 - Facilities to provide notice; rules(1) A facility, as defined in 42 U.S.C. 263b, must provide written notice, in the form prescribed by the Oregon Health Authority under subsection (2) of this section, to a patient on whom the facility has performed a mammogram if the mammogram shows the patient has dense breast tissue.(2) The authority shall prescribe by rule the form and content of the notice provided under subsection (1) of this section. The notice must include but is not limited to all of the following: (a) Information about breast density, based on the Breast Imaging Reporting and Data System established by the American College of Radiology;(b) An explanation that dense breast tissue can make it harder to find cancer on a mammogram and that dense breast tissue may also be associated with an increased risk of breast cancer;(c) That the patient may benefit from supplementary screening or diagnostic testing including a breast ultrasound; and(d) That the patient should contact the patient's health care provider to find out whether the health care provider recommends additional testing.(3) The authority shall adopt by rule a definition of "dense breast tissue" and shall amend the definition whenever necessary to ensure that the definition is consistent with current medical evidence.