Figure 1. Representative images of immunohistochemical staining of lung adenocarcinoma sections with anti-E-cadherin (A and B), vimentin (C and D), CD133 (E and F), CD44 (G and H), and ALDH (I and J) antibodies. (A, C, E, G, and I) show positive expression, while B, D, F, H, and J show
Figure 1. Representative images of immunohistochemical staining of lung adenocarcinoma sections with anti-E-cadherin (A and B), vimentin (C and D), CD133 (E and F), CD44 (G and H), and ALDH (I and J) antibodies. (A, C, E, G, and I) show positive expression, while B, D, F, H, and J show negative expression. (Original magnification, ×400). ALDH, aldehyde dehydrogenase.