The cities of Kennewick, Richland, West Richland and Pasco are expected to proclaim June 12 to be Tri-Cities Cancer Center Day in honor of the center's 20th anniversary.
An open house is planned from 4 to 6 p.m. that day to kick off the anniversary celebrations. Tours will be available. The center also is playing host to a Tri-City Regional Chamber of Commerce Business After Hours in conjunction with the open house. The event is free, and the public is welcome.
The cancer center is at 7350 W. Deschutes Ave., Kennewick.