The first 3D printed organ -- a liver -- is expected in 2014

Via Drudge and Computerworld:
…the creation of a viable liver is a watershed moment for the bio-printing industry and medicine because it proves 3D printed tissue can be kept alive long enough to test the effects of drugs on it or implant it in a human body where it can further develop.
Click the link to see more: The first 3D printed organ -- a liver -- is expected in 2014 - Computerworld