According to a post on the official website for acclaimed Brooklyn rockers TV on the Radio, bassist and keyboardist Gerard Smith has been diagnosed with lung cancer, but is already being treated—and is responding well. Says the band, in their statement:

Upon the completion of Nine Types of Light, Gerard was diagnosed with lung cancer. As a result, he has been undergoing treatment and will be unable to participate in the upcoming tour. Gerard is fortunate enough to have health insurance and is receiving excellent medical care. Already we have seen dramatic results. Combine that with Gerard’s legendarily willful disposition and it might just be cancer that has the problem. We appreciate your concern and support for Gerard and his family.

The tour to support the group’s upcoming Nine Types, out April 12, will begin unofficially with three appearances at this week’s SXSW festival in Austin, before launching April 8 in Philadelphia. (For full dates, click here.) It isn’t known yet who will be replacing Smith on the tour, and reps did not immediately respond to EW’s request for comment.