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Table 4 Treatment response evaluations in patients who received chemotherapy plus trastuzumab

From: Clinicopathological features of HER2 positive metastatic colorectal cancer and survival analysis of anti-HER2 treatment

Group (A)

first-line

second-line

third-line

four-line

Number of cases

N = 3

N = 16

N = 9

N = 5

CR

0 (0.0%)

0 (0.0%)

0 (0.0%)

0 (0.0%)

PR

1 (51.6%)

4 (25.0%)

0 (0.0%)

0 (0.0%)

SD

2 (42.2%)

10 (62.5%)

6 (66.7%)

2 (40.0%)

PD

0 (0.0%)

2 (12.5%)

3 (33.3%)

3 (60.0%)

ORR

1 (51.6%)

4 (25.0%)

0 (0.0%)

0 (0.0%)

DCR

3 (93.8%)

14 (87.5%)

6 (66.7%)

2 (40.0%)