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Table 5 Previous and further treatment

From: Outcomes and risk factors for cancer patients undergoing endoscopic intervention of malignant biliary obstruction

Systemic therapy before the first ERC Number of patients (%)
 Yes 59 (36)
 No 92 (56)
 Unknown 12 (7)
Systemic therapy after ERC intervention  
 Yes 70 (43)
 No 36 (22)
 Unknown 57 (35)
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