Infrequent genetic alterations of the PTEN/MMAC1 gene in Japanese patients with primary cancers of the breast, lung, pancreas, kidney, and ovary. - Sakurada,A.; Suzuki,A.; Sato,M.; Yamakawa,H.; Orikasa,K.; Uyeno,S.; Ono,T.; Ohuchi,N.; Fujimura,S.; Horii,A. (Jpn J Cancer Res, 1997)