CA9 and colorectal carcinoma: Immunocompetent Balb/c mice bearing subcutaneous CT26.3E10 xenografts (i.e., an orthotopic murine colorectal carcinoma cell line stably transfected with human CAIX) were intravenously injected with 125 nmol/kg of 3, followed by their sacrifice after 6 and 24 h and harvesting of tumor and healthy organs.