A 57-year-old woman comes to the physician 2 weeks after finding a lump in her left breast on self-examination Physical examination shows a 2-cm mass in the upper inner quadrant of the left breast. Carcinoma is suspected. X-rays show multiple lesions in the vertebral column, and metastatic disease is suspected. Which of the following veins draining the breast provides the most direct pathway for malignant cells to travel to the vertebral column? Select one: ● a. Lateral thoracic b. Internal thoracic (mammary) c. Cephalic d. Axillary e. Posterior intercostal

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