Received: 7 August 2018
Accepted: 24 August 2018
First Online: 5 September 2018
Ethics approval and consent to participate
: The study is approved by the Data Protection Official for Research for Oslo University Hospital, Oslo, Norway, if the consent form is signed. Reference number is not applicable.
: The patient has given written informed consent to use her medical history including radiology in the manuscript. The informed consent form is provided and approved by the Data Protection Official for Research for Oslo University Hospital, Oslo, Norway.
: The authors declare that they have no competing interests.
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