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: Pathology
The largest ovarian tumour is seen with- 
Select and explain. 
A. Pseudomucinous cystadenoma, B. Serous cystadenoma, C. Papillary cystadenoma, D. Dysgerminoma
A: Pseudomucinous cystadenoma
Answer: A: Pseudomucinous cystadenoma 
Explanation: Mucinous tumor tend to produce larger cystic masses, and some have been recorded with weights of more than 25 kg.