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Table 1 Results of gene mutations of KRAS, BRAF, PIK3CA and NRAS in AGC patients

From: Clinicopathological features and prognostic roles of KRAS, BRAF, PIK3CA and NRAS mutations in advanced gastric cancer

Gene mutations Proportion (%) Insufficient DNA samples
KRAS codon 12 6/164 (3.7) 3/167
KRAS codon 13 2/164 (1.2) 3/167
KRAS codon 61 0/131 (0.0) 36/167
KRAS codon 146 0/137 (0.0) 30/167
BRAF V600E 0/136 (0.0) 31/167
PIK3CA exon 9 8/163 (4.9) 4/167
PIK3CA exon 20 1/163 (0.6) 4/167
NRAS codon 12 1/159 (0.6) 8/167
NRAS codon 13 2/159 (1.3) 8/167
NRAS codon 61 0/135 (0.0) 32/167