ERBB3 and cancer: (ErbB3: cancer tissues 3264±1032 vs. normal colorectal tissues 1038±354, P = 0.0074, ErbB2: cancer tissues 2616±2019 vs. normal colorectal tissues 338±154, P = 0.016, c-MET: cancer tissues 3812±739 vs. normal colorectal tissues 978±313, P = 0.0057 by Mann-Whitney U test).