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. Author manuscript; available in PMC: 2018 Aug 24.

Published in final edited form as: J Thorac Oncol. 2017 Oct 5;13(1):46–53. doi: 10.1016/j.jtho.2017.09.1964

Table 3.

Distribution of SPLC Histologic Type by IPLC Histologic Type in Patients with a History of an IPLC

IPLC histologic type	SPLC Histologic Type
	Squamous cell		SCLC		Adenocarcinoma		Other NSCLC		Total
	N	Row %	N	Row %	N	Row %	N	Row %	Total
Squamous cell	575	45%	156	12%	242	19%	292	23%	1265
SCLC	94	41%	26	11%	47	21%	62	27%	229
Adenocarcinoma	313	13%	120	5%	1446	62%	456	20%	2335
Other NSCLC	197	25%	80	10%	284	36%	232	29%	793
Total	1179	26%	382	8%	2019	44%	1042	23%	4622

SPLC, second primary lung cancer; IPLC, initial primary lung cancer.