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											 Hemato-oncology / Original Article											 
											The efficacy of EGFR-tyrosine kinase inhibitor in non-small cell lung cancer patients with synchronous brain metastasis: a real-world study
											
																								
												Jin-Hyuk Choi, Yong Won Choi, Hyun Woo Lee, Seok Yun Kang, Geum Sook Jeong, Mi Sun Ahn, Young-Taek Oh, O kyu Noh, Se-Hyuk Kim, Tae Hoon Roh, Seung Soo Sheen 
												
												Korean J Intern Med. 2022;37(2):434-443.   Published online February 16, 2022												 
																										
												
												
																								
													Background/Aims: The optimal treatment (Tx) for epidermal growth factor receptor (EGFR)-mutant non-small cell lung cancer (NSCLC) patients with brain metastasis (BM) remains to be determined.
Methods: A retrospective review was conducted on 77 NSCLC patients with synchronous BM who underwent first-..												 
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