4th step: IMH to carcinomas and specific adenocarcinomas
Tumor	Specific staining
Urothelial origin	p63, thrombomodulin, uroplakin
Mucinous ovarian	WT-1
Serous ovarian	WT-1, BerEp4; Ca 125; RE; mesothelin
Lung subtype adenocarcinoma	TTF-1; Surf-A y B
Lung no adenocarcinoma	CK-7
Small cell lung cancer	Cromogranin A, sinaptofisine
Breast	RE; RPg; HER.2; mamoglobin; GCDFP15
Endometrial	RE; vimentine
Mesothelioma	WT-1; calretinin; mesothelin; CK5
Germinal tumors	Falc; AFP; βHCG; CD30; OCT4
Thyroid	Thyroglobulin; TTF-1
Prostate	PSA; falc
No urothelial kidney	CD10; vimentine; gp200
Colorectal	CX2; CEA
Hepatocellular carcinoma	Herpar1; CD10; pCEA
Pancreas/biliary tract	CDX2; CK7; Ca 19.9; mesothelin; trifoil factor 1
Neuroendocrine	Cromogranin A; sinaptofisine; CD56; PGP9