Table 2.

Commonly detected mutations in our study

Gene	Frequency	N by mutation type
TP53	38.3% (31/81)	31 SNVs and 4 indels
APC	13.6% (11/81)	5 SNVs and 6 indels
KRAS	9.9% (8/81)	8 SNVs
ARID1A	9.4% (3/32)	1 SNV and 3 indels
FBXW7	4.9% (4/81)	4 SNVs
BRAF	3.7% (3/81)	4 SNVs
FGFR2 *	6.2% (5/81)	5 amplifications
ERBB2 *	4.9% (4/81)	4 amplifications
CCNE1 *	9.4% (3/32)	3 amplifications
KRAS *	9.4% (3/32)	3 amplifications
EGFR *	3.7% (3/81)	3 amplifications
MET *	3.7% (3/81)	3 amplifications

*CNVs were detected in these genes.

Abbreviations: SNV, single-nucleotide variant; CNV, copy number variation.