The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following is carcinoma of the skin, spreads by local invasion and has no tendency to metastasise?   (A) Malignant melanoma   (B) Basal cell carcinoma   (C) Fibrosarcoma   (D) Leukoplakia
['(B) Basal cell carcinoma <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Malignant melanoma \n (B) Basal cell carcinoma \n (C) Fibrosarcoma \n (D) Leukoplakia <> possible answers', '  Which of the following is carcinoma of the skin, spreads by local invasion and has no tendency to metastasise? <> context@']