Fig. 1From: Elevated prothrombin time/international normalized ratio associated with concurrent administration of regorafenib and warfarin in a patient with advanced colorectal cancerProthrombin time/international normalized ratio (PT/INR) values and serum carcinoembryonic antigen (CEA) levels during regorafenib treatment. Only an important points are mentioned PT/INR values (day on course) after co-administration of regorafenibBack to article page