This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General surgery, Subject name: Surgery
True about malignant melanoma 
Select and explain. 
A. Lymphatic spread, B. Lymph node biopsy is done always, C. Block dissection to be done when sentinel node is involved, D. Microsatellitism
A: Lymphatic spread
Answer: A: Lymphatic spread 
Explanation: No answer All the 4 options are true