Response to treatment with capecitabine and radiation.

Response to treatment was evaluated 1, 2, 4, 6, and 12 weeks (WK) after the initiation of chemoradiation. Complete response (CR), defined as no pain and no need for analgesics; partial response (PR), defined by a decrease of 2 points in the pain score and no change in analgesics consumption; stable pain (SP), defined as a decrease of one point or no change in the pain score and no change in analgesics consumption; progressive pain (PP), defined as an increase of 2 points in the pain score.