This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax, Subject name: Anatomy
Sappey's plexus drains? 
Select and explain. 
A. Breast, B. Thyroid, C. Adrenal, D. Porta hepatis
A: Breast
Answer: A: Breast 
Explanation: Ans. A BreastRef: Kulkarni Clinical Anatomy, 2nd ed. pg. 11* The lymphatic plexus below the areola is the Sub-areolar plexus of sappey.* 75% of breast lymphatics drain to axillary lymph nodes.Extra MileQuadrant wise breast lymphatic drainage* Lateral quadrant: Axillary nodes and supraclavicular through the pectoral, interpectoral and deltopectoral.* Medial quadrant: Parasternal nodes.* Lower quadrant: Inferior phrenic (abdominal) nodes.