Can you tell I love seeing 3D printing in the news?? 
Check out this article (and Video) on WEBMD about innovative medical uses for 3D printing!
http://www.webmd.com/news/breaking-news/future-of-health/#3d-printing-toc/3d-printing
"When cancer researcher Rosalie Sears, PhD, clicks the print button, ink does not spray onto a page. Instead, actual human cells issue from different heads of her 3-D printer.
In a short while, she has before her a very small tumor -- an exact replica of a patient's cancerous growth. At that point, she and her colleagues can attack the printed copy with any number of cancer treatments.
'The hope is that it will allow us to test, in real time, how a patient's tumor will respond,' says Sears, a professor of molecular and medical genetics at Oregon Health and Science University in Portland.
Sears's work is just one exciting aspect of 3-D printing's potential impact on medicine -- from prosthetics, to the bioprinting of cells, to lifelike models of organs, to the possibility of printable, implantable tissue."
