My Flight is Booked

My wife and I fly to Krakow on April 23rd, arriving on the 24th.  We'll spend a few days in Krakow and area, then on the 27th go to Katowice.  After the tests on the 28th and 29th and (hopefully) treatment on the 29th, I spend a night in hospital.  We fly back to Canada on May 2nd