FIGURE 4. Relationship between expression of Pgp, MRP, or LRP and ^99mTc-MIBI L/Nwr in lung cancer. (A) L/Nwr correlated with density of Pgp expression. Statistically significant difference in L/Nwr was found between Pgp (++) group and Pgp (-) group. (B) No significant difference (n.s.) in L/Nwr was found among MRP(++), MRP (+), and MRP (-) groups. (C) No significant difference in L/Nwr was found among LRP (++), LRP (+), and LRP (-) groups.