10.1371/journal.pone.0210225.g003 Dong Kyu Oh Dong Kyu Oh Won Jun Ji Won Jun Ji Woo Sung Kim Woo Sung Kim Chang-Min Choi Chang-Min Choi Shin-Kyo Yoon Shin-Kyo Yoon Jin Kyung Rho Jin Kyung Rho Jae Cheol Lee Jae Cheol Lee Transformation to small cell carcinoma from adenocarcinoma. Public Library of Science 2019 June 2017. Molecular osimertinib Median progression-free survival T 790M mutation-positive non-small cell lung cancer safety CI T 790M mutation T 790M group resistance profile IQR C 797S mutation T 790M mutation-positive lung cancer patients PFS 2019-01-09 18:50:01 Figure https://plos.figshare.com/articles/figure/Transformation_to_small_cell_carcinoma_from_adenocarcinoma_/7567742 <p>(A) Adenocarcinoma, H&E; (B) small cell carcinoma, H&E; (C) small cell carcinoma, CK; (D) small cell carcinoma, CD56. Abbreviations: CD56, cluster of differentiation 56; CK, cytokeratin; H&E, hematoxylin and eosin.</p>