ON JAMA Network through Twitter:
I'm taking this from the study abstract:
I take that to mean: nobody tells us the down side of taking this test.
"Conclusions and Relevance
I searched JAMA directly on Twitter today 9/24/15, and got directly to this study. May not work later.
http://oncology.jamanetwork.com/article.aspx?articleid=2443152&utm_source=TWITTER&utm_medium=social_jn&utm_term=241124969&utm_content=press_release|article_engagement&utm_campaign=press_release&linkId=17296643 Today,9/28 this link did get me back to the article.
Sorry, but you'll have to cut and paste.
I wish you health.