Funding for this research was provided by:
National Cancer Institute (Intramural funding)
Received: 2 May 2017
Accepted: 14 February 2018
First Online: 1 March 2018
Ethics approval and consent to participate
: All the patients reported above were enrolled in a clinical trial approved by the National Cancer Institute institutional review board and the National Cancer Institute ethics committee of the National Institutes of Health. A written informed consent was obtained directly from all patients who participated in this study.
: All 4 patients provided written informed consents for publication of their medical data, images and histopathology slides in this article.
: The authors declare that that they have no competing interests.
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