Figure 2From: Analysis of terminal duct lobular unit involution in luminal A and basal breast cancersAverage number of acini per TDLU and marker expression levels in invasive tumors. ER, PR, and EGFR expression levels were measured using AQUAâ„¢, which is a quantitative immunofluorescent method that provides continuous measurement of expression levels. AQUA scores were transformed as previously described [19].Back to article page