| 
      
        |  | Common Differential Markers    (sensitivity) |  
        | Lung | TTF-1    (82%); Napsin A (33%) |  
        | Breast | MUC1    (100%); CK 7 (95%); ER (81%) |  
        | Gastric | CDX2    (90%); Hep Par 1 (83%); CK20    (57%), MUC2 (50%)
 |  
        | Colon | MUC2 (100%); CDX2 (89%) |  
        | Prostate | PSA,    PSAP |  
        | Bladder | CK7, CK20, CDX-2, E-cadherin, CEA, EMA, villin |  |