As its time grows shorter, Congress' agenda seems to grow longer. Yet members appear ready to head off to their August recess soon, and the long-term absence of Sen. John McCain (R-Ariz.) because of his cancer diagnosis changes the calculus. Roll Call Senior Editor David Hawkings offers his take on Federal Drive with Tom Temin.
John McCain had cancer when he was a member of Congress
The prompt says that John McCain is in a long-term absence from Congress because of his cancer diagnosis. This indicates he is still in Congress and still has  cancer. I think the system thinks that a long-term absence means he is not a member