Chicago TribuneKirk has more surgery to relieve swellingChicago TribuneSen. Mark Kirk underwent additional surgery late Wednesday to create more space around his brain “in order to accommodate the expected peaking of swelling,” his neurosurgeon said in a statement today. To increase space, doctors at Northwestern Memorial ...Doctors remove 2 small pieces of Mark Kirk's brainThe Associated PressSecond Kirk Surgery Is a SuccessPatch.comMark Kirk undergoes more surgery to relieve brain swellingChicago Sun-TimesCBS Localall 42 news articles »