Table 1. Clinicopathological characteristics of evaluable cases in non-small cell lung carcinoma cohort (YTMA 79-3, n = 118).

Category	Subcategory	Result
Race	Caucasian	97 (82.2%)
	African-American	15 (12.7%)
	Other	3 (2.5%)
	Unknown	3 (2.5%)
Age	Years	45–83 (mean: 65.5)
Gender	Male	63 (53.4%)
	Female	55 (46.6%)
Histopathological subtype*	Squamous cell carcinoma (SCC)	25 (21.2%)
	Adenocarcinoma (ADC)	85 (72.0%)
	Adenocarcinoma, papillary	3 (2.5%)
	Adenosquamous carcinoma	3 (2.5%)
	Large cell carcinoma	2 (1.7%)
Disease Stage	Unknown	7 (5.9%)
	IA/IB	59 (50.0%)
	IIA/IIB	17 (14.4%)
	IIIA/IIIB	27 (22.9%)
	IV	8 (6.8%)
Vital status	Alive	49 (41.5%)
	Dead	69 (58.5%)
Survival time	Months	0.1–133 (mean: 40.9, median: 26.8)

*The various histopathologic subtypes represent the final results based on a 4-marker IHC panel (TTF-1, p63, CK5/6, CK7). Using these IHC markers the original histomorphologic diagnosis was changed in 24/118 (20.3%) of NSCLC cases.