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
[{'content': 'Which of the following is the presenting symptom of fallopian tube carcinoma : \nSelect and explain. \nA. Watery discharge per vaginum, B. Haemorrhage, C. Pain, D. Sepsis', 'role': 'user'}, {'content': "Answer: A \nExplanation: Fallopian tube carcinoma: The tumour occurs in menopausal women, 50% of them are nulliparous. The early symptom is a watery discharge per vaginum, which may at times be amber-coloured. Sooner or later, postmenopausal bleeding develops. A lump may be too small to be felt on clinical examination. Pain is a late symptom Reference : Shaw's Textbook of Gynaecology 16th edition page no 519", 'role': 'assistant'}]