Correlation of PI3KCA and extended RAS gene mutation status with outcomes from the phase III AGITG MAX involving capecitabine (C) alone or in combination with bevacizumab (B) with or without mitomycin C (M) in advanced colorectal cancer (CRC).

3539^ Background: Mutations affecting RAS genes are now established predictive markers of non-response to anti-epidermal growth factor receptor (EGFR) antibodies in advanced colorectal cancer (CRC)...