Table 1.

Genotype of PIK3CA mutant GISTs reported in this study

PIK3CA exon	PIK3CA mutation	PIK3CA Sanger seq.	Cobas PIK3CA Mutation Test	KIT exon 11 mutation	Case no.
1	p.R88?	Not done	Mutant	p.550_555delinsI	3
9	p.E545?	Not done	Mutant	p.553_556del	10
20	p.A1035T	c.3103G>A	Not done	p.I563L	8
20	p.M1043V	c.3127A>G	Not done	p.V560_564delinsD	5
20	p.A1046V	c.3137C>T	Not detected	p.W557R	4
20	p.H1047Y	c.3139C>T	Invalid	p.557_559del	9
20	p.H1047R	c.3140A>G	Not done	No data	7
20	p.H1047L	c.3140A>T	Mutant	p.553_556del	2
20	p.H1047?	WT	Mutant	p.550_554del	1
20	p.H1048R	c.3143A>G	Not done	p.558_562del	6
20	p.T1053I	c.3158C>T	Not done	p.I563L	8