<s>[INST] <<SYS>> This is a medical question of type : exams and tests <</SYS>> How to diagnose Bronchiolitis obliterans organizing pneumonia ? [/INST] How is bronchiolitis obliterans organizing pneumonia (BOOP) diagnosed? BOOP is typically diagnosed by lung biopsy, although imaging tests and pulmonary function tests can also provide information for diagnosis. </s>