This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gynaecological oncology, Subject name: Gynaecology & Obstetrics
The following tumours commonly metastasise to the ovary, except: 
Select and explain. 
A. Malignant melanoma, B. Stomach, C. Oesophagus, D. Lymphoma
B: Stomach
Answer: B: Stomach 
Explanation: - ovarian metastasis are commonly from the primary growth in the gastrointestinal tract, notably the pylorus. Reference : Shaw's textbook of gynaecology, 16th edition, pg no:524 <\p>