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
[{'content': 'All of the following are included in pathogenesis of edema except? \nSelect and explain. \nA. Decreased hydrostatic pressure of capillaries, B. Decreased plasma osmotic pressure of capillaries, C. lymphatic obstruction, D. Increased vascular permeability', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer- A. Decreased hydrostatic pressure of capillaries', 'role': 'assistant'}]