This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Which of the following is false about phyllodes tumor? 
Select and explain. 
A. Always malignant, B. Grows rapidly, C. Unilateral, D. Excision is the treatment
A: Always malignant
Answer: A: Always malignant 
Explanation: Phyllodes tumor is usually benign.
It is unilateral and grows rapidly.
Lymph nodes are not involved.