Blackhawks hockey returned to CSN on Tuesday when the team visited the Columbus Blue Jackets for their 2017-18 preseason opener, but a familiar voice was missing from the booth.

That would be analyst Eddie Olczyk, who was diagnosed with colon cancer in August and will take time off while he undergoes treatment.

Pat Foley took some time to provide an update on his broadcast partner before the second period of Tuesday's game after speaking with Olczyk earlier in the day.

Check it out in the video above.