CLCA2 as a Novel Immunohistochemical Marker for Differential Diagnosis of Squamous Cell Carcinoma from Adenocarcinoma of the Lung

Table 2

Genes specifically expressed in adenocarcinoma of the lung.

Gene^a		Median expression value^b
Symbol	Description	Adenocarcinoma	Squamous cell carcinoma
NKX2-1 (TTF-1)	NK2 homeobox 1 (thyroid transcription factor 1)	2956.61025	82.2006
SFTA3	Surfactant associated 3	2412.19165	66.691
SFTA2	Surfactant associated 2	1951.85825	41.01335
LMO3	LIM domain only 3 (rhombotin-like 2)	1901.15055	95.90595
XAGE1D	X antigen family, member 1D	1873.0292	5.0326
CLDN3	Claudin 3	1647.12575	93.83215

All the genes conforming to the following two conditions are listed: () median expression value of the gene ≥1500 in adenocarcinoma and () median expression value of the gene ≤100 in squamous cell carcinoma.
^bThe RSEM value is used to show the expression level.