This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Surfaces and Grooves, Subject name: Anatomy
[{'content': 'Surface marking of the oblique fissure of lung include all EXCEPT: \nSelect and explain. \nA. T3 veebra, B. 5th rib, C. 7th rib, D. 6th coastal cailage', 'role': 'user'}, {'content': 'Answer: C \nExplanation: 7th rib does not come in the surface marking of oblique fissure. Oblique fissure Passes anteroinferiorly from the spinous process of the T3 veebra to cross the 5th rib in the midaxillary line Fuher continues inferiorly, crossing the 6th rib (and costal cailage) at the mid-clavicular line.', 'role': 'assistant'}]