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
[{'content': 'Which of the following is the mode of internal transmission or spread of amoebic lung abscess ? \nSelect and explain. \nA. Direct spread from the liver, B. Spread blood, C. Lymphatic spread, D. Inhalational route', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Patients who develop an amoebic lung abscess often have symptoms associated with a liver abscess. These may include right upper quadrant pain and fever. After perforation of the liver abscess into the lung, the individual may develop a cough and expectorate a chocolate or anchovy paste-like sputum that has no odour. Infection spreads from the liver across the diaphragm.', 'role': 'assistant'}]