[1] Klaipeda Univ Hosp, Dept Oncol, Klaipeda, Lithuania
[2] Lithuanian Univ Hlth Sci, Dept Pathol, Kaunas, Lithuania
[3] Natl Ctr Pathol, Dept Breast Pathol, Vilnius, Lithuania
[4] Klaipeda Univ Hosp, Dept Pathol, Klaipeda, Lithuania
[5] AstraZeneca, Balt Med & Regulatory Dept, Vilnius, Lithuania