1. A 78-year-old male presents with a lump at the anal margin. Biopsies from these confirm a…

1. A 78-year-old male presents with a lump at the anal margin. Biopsies from these confirm a squamous cell carcinoma (SCC). He is very keen to avoid a stoma. 2. A 46-year-old female with known ovarian carcinoma presents with features of intestinal obstruction. CT suggests a localised mass which is causing the obstruction. She is otherwise fit and keen on any treatment for her bowel problem. ? 3. Mechanisms of action of drugs used in cancer A Cis-platinum B Vincristine C 5-Fluorouracil (5-FU) D Methotrexate E Cyclophosphamide F Irinotecan G Imatinib H Tamoxifen