Table 3.

Mutations identified in four patients with repeat biopsy samples

Patient No.	Mutations identified in first sample	Mutations identified in second sample
1	KDR Q472H, APC A1582P, MET N375S, TP53 R248W, TP53 P72R	KDR Q472H, APC A1582P, TP53 R248W, TP53 P72R
2	ERBB4 T926M, KIT M541L, TP53 H179R, TP53 P72R	ERBB4 T926M, KIT M541L, FLT F590L, TP53 H179R, TP53 P72R
3	PIK3CA E542K, PTPN11 G503V, TP53 E285K, TP53 P72R, TP53 P72A, SRC Q529X	KIT M541L, KDR Q472H, TP53 P72R
4	CTNNB1 D32A, KDR Q472H, EGFR ex19 del, EGFR A750P, CDKN2A H66R, TP53 P72R	CTNNB1 D32A, KDR Q472H, EGFR ex19 del, EGFR A750P, CDKN2A H66R, TP53 P72R