“…Infection is the main cause of organizing pneumonia (OP) ( 1 ); secondary organizing pneumonia (SOP) due to lung infection is reported to result from various pathogens, such as bacteria ( 2 ), fungi ( 3 ), and viruses ( 4 ). However, descriptions of SOP due to pulmonary nontuberculous mycobacteria (NTM) are rare, and only 10 cases have been reported.…”