You can also do more, which can, in turn, make the initial task easier: Instead of writing One Card for the Ages, plan to write one card per week/fortnight / month. Use everything you know about this person. First, “I miss seeing you around the office.” Second, “Heard you’re a Caps fan – here’s a great Ovie story,” printed and attached. Third, a little office gossip. It is an important presence.
https://www.washingtonpost.com/lifestyle/2021/11/23/carolyn-hax-what-to-sat-coworker-fatal-disease/?utm_source=rss&utm_medium=referral&utm_campaign=wp_lifestyle Carolyn Hax: What to say to a colleague with a terminal illness?