Masonic Lodge No. 190 will host a free cancer screening before the Tonganoxie Summer Kick-Off on May 30. The screening will be 10 a.m.-1 p.m. at Tonganoxie High School, 404 E. U.S. Highway 24-40, and is open to the public. It’s one of 22 free screenings held across the state this year by the Kansas Masonic Foundation.