 Central Florida News 13 | Bosworth's oncologist says cancer likely spreading PORTLAND, Ore. - The family of a missing Cycle Oregon volunteer says the window is still open to find him alive but now is a critical time. They believe Mark Bosworth needs immediate medical attention and hope he is found in the next couple of days. ... Volunteer on Ore. cycling trip vanishes; family says brain cancer may have him ... Family and friends of missing Cycle Oregon volunteer Mark Bosworth plan bike ... Lance Armstrong joins search effort for Oregon man |