input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 45 years old female presented with a history of pain!less breast lump of size 6 x 5 cm in left upper quadrant with no axillary lymph nodes. A true-cut biopsy was suggestive of ductal carcinoma in situ. She undergoes surgery with resection of all tumor tissue with adequate margins and postoperative HPE showing DCIS with high grade necrosis with 4 mm clearance on margins. Which of the following is needed?   (A) Adjuvant chemotherapy   (B) Adjuvant chemoradiotherapy   (C) Adjuvant radiotherapy   (D) No additional treatment
output: ['(C) Adjuvant radiotherapy <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Adjuvant chemotherapy  (B) Adjuvant chemoradiotherapy  (C) Adjuvant radiotherapy  (D) No additional treatment <> possible answers', '  A 45 years old female presented with a history of pain!less breast lump of size 6 x 5 cm in left upper quadrant with no axillary lymph nodes. A true-cut biopsy was suggestive of ductal carcinoma in situ. She undergoes surgery with resection of all tumor tissue with adequate margins and postoperative HPE showing DCIS with high grade necrosis with 4 mm clearance on margins. Which of the following is needed? <> context']