Grand round
Chairs: Paul Cullinan (London, GB), Anna-Carin Olin (Gothenburg, SE)

Granulomatous lung disease in two workers making light bulbs Benoit Nemery (Leuven, Belgium)
Respiratory failure in a building renovation worker Christopher Carlsten (Vancouver, BC, Canada)
Progressive dyspnea in a heavy equipment operator Paul Blanc (San Francisco, United States of America)
High-altitude pulmonary edema in a miner Denis Vinnikov (Bishkek, Kyrgyzstan)