Table 6.

Immunohistochemical staining for TRAIL-R2

Tumor typesNo. of specimens evaluated (%)TRAIL-R2 staining in >50% tumor cellsTRAIL-R2 staining in 10% to 50% of tumor cellsTRAIL-R2 staining in <10% of tumor cells
Soft tissue sarcoma7 (35)124
Osteogenic sarcoma3 (15)210
Colorectal3 (15)120
Bladder/urothelial2 (10)020
Endometrial carcinoma*1 (5)100
Cholangiocellular carcinoma1 (5)100
Prostate adenocarcinoma1 (5)010
Esophageal adenocarcinoma1 (5)010
Thymoma1 (5)010
  • * Histologic diagnosis for the specimen was a malignant mixed müllerian tumor (carcinosarcoma). However, only the carcinomatous component stained and was scored for this tumor.