Arizona Senator John McCain will return to Washington D.C. next week.
The senator will go back to the Senate next week, as Congress begins a new legislative session.
According to a media release from the office of John McCain, he "looks forward to continuing his work for the people of Arizona and the nation."
McCain is the chairman of the Senate Armed Services Committee and is expected to lead debate on a defense policy bill. The Arizona Republican will join the rest of his colleagues in returning to Washington after a four-week break.
McCain has been undergoing targeted radiation and chemotherapy treatments at a Mayo Clinic in Phoenix.
