A 74-year-old woman has a 10-year history of intermittent lower abdominal pain. The pain has been colicky in nature and is associated with a feeling of distension in the left iliac fossa. It is generally relieved by-passing flatus or faeces. She tends to be constipated and passes small pieces of faeces. On examination, vague impression of a mass was felt in the left iliac fossa with no guarding or rebound tenderness and the bowel sounds were normal. She had a barium enema performed. An intestinal biopsy was also performed. Colonoscopy ruled any colonic neoplasm. Which of the following procedures can be used in the above condition: -