In Shpoolki, he talked with an orthopedic surgeon, a professor, supposedly the best in the country.
He had a conversation with an orthopedic surgeon who had been in practice for five decades. 
mnli hypothesis: He had a conversation with an orthopedic surgeon who had been in practice for five decades.  premise: In Shpoolki, he talked with an orthopedic surgeon, a professor, supposedly the best in the country.