Table 1. TP53 sequencing results of 62 patients with primary localized (n = 40) or metastastic (n = 22) GIST: P72R-polymorphism status.

Amino Acid 72	GIST (n = 62)	%	Healthy Population* (n = 107) in %
Arg (R) homozygous	36	58	22
Pro/Arg heterozygous	21	34	65
Pro (P) wildtype	5	8	12