During an operation fo r carcinoma of the hepatic flexure of the colon， an unex-pected discontinuous 3-cm metastasis is discovered in the edge of the rig h t lobe of the liver.The surgeon should
A: Tem inate the operation， screen the patient fo r evidence of other metastases，and plan further therapy after the reevaluation
B: Perform a right hemicolectomy and a right hepatic lobectomy
C: Perform a right hemicolectomy and a wedge resection of the metastasis
D: Perform a cecostomy and schedule reoperation after a course of systemic chemotherapy
E: Perform local resection of the primary colon cancer and plan radiation therapy for the lesion on the liver