<prompt> True regarding cancer colon -Obstructive features are more common with right colon40 cases at presentation show liver metastasisResection possible in 25 casesNone  <response>: Answer is None Options b c Ref CSDT 11e p 723 13e p667 CSDT writes 11e - Approximately 10 of lesions are not resectable at the time of operation ,and an additional 20 of patients have liver or other distant metastasis. Hence operation for cure can be performed in only about 70 of patients. 13e - Up to 20 of patients have liver or other distant metastases at presentation. However, in selected patients with metastases in whom all metastatic disease can be completely resected, operation for cure should be performed. This is the maximum I could get about the percentages, however reading this, both the given option dont appear to be true. 