Surgeons are no better at determining which patients might benefit from operations to treat torn knee cartilage than if they just flipped a coin, a new study suggests.

In a first, heart surgeons in Poland used 3D goggles to help them see inside a patient’s chest as they opened up a narrowed heart valve, according to a report in the European Heart Journal.

Lumicell Inc. provided an update on the company’s development strategy for its LUM system pipeline including plans to initiate its pivotal trial in breast cancer as well as expansion of its clinical studies in four other solid tumor cancers.