A newly developed nomogram predicts preoperative microvascular invasion in patients with HCC, improving surgical planning and outcomes.

By Andrew E. KramerConstant Méheut and Anton Troianovski As he seeks to negotiate a peace deal with Moscow, President Trump is rewriting the history of Russia’s invasion of its neighbor.

Pollster shares what voters are telling him about President Trump ...

The roots of Russia's invasion of Ukraine go back decades and run deep. The current conflict is more than one country fighting to take over another; it is — in the words of one U.S. official ...