Figure 4From: Analysis of EGFR, HER2, and TOP2A gene status and chromosomal polysomy in gastric adenocarcinoma from Chinese patients TOP2A expression nuclear index in 100 cases of gastric carcinoma, NI value is from 0.5 to 90%, three cases showed TOP2A amplification (arrows) with TOPNI values of 20%, 40%, and 50%. Back to article page