“…Several factors have been suggested as indicators for potential benefits from resection, i.e. response to induction therapy (12,13), number and pattern of metastasis (12)(13)(14)(15)(16)(17), performance status (14,15), and extent of the primary tumour (16,18). Previously published prognostic factors include the delivery of chemotherapy, resection, length of the primary tumour, number of metastatic sites and histopathological response (1,2,7).…”