DNIPRO, Ukraine -- The number of heavily wounded soldiers being treated at one of Ukraine's largest trauma hospitals has risen by as much as 30% in the past few weeks, according to the chief doctor there. Dr. Sergii Ryzhenko told ABC News that the Mechnikov Hospital in the city of Dnipro, a few hours' drive from the fighting, is now receiving between 40 and 100 seriously wounded men each day, with his team performing between 50 and 100 surgical operations in any 24-hour period. Many of those procedures are amputations, he said.