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A 75-Year-Old Woman With Pulmonary Nodules and Dyspnea. CASE PRESENTATION: A 75-year-old woman was referred to the pulmonary office in January 2020 for cough and progressive worsening of shortness of breath over the years. Her medical history was significant for asthma that was diagnosed approximately 10 years earlier, when she first developed dyspnea. A pre-bronchodilator spirometry at that time showed severe airflow obstruction (Fig 1). The patient was incidentally found to have several noncalcified pulmonary nodules on a chest CT scan in 2015, which was obtained as a part of dyspnea workup. She underwent bronchoscopic evaluation with transbronchial biopsy of the largest nodule (1.6 × 1.2 cm) in the right middle lobe. She was diagnosed with low-grade neuroendocrine tumor (typical carcinoid) and had been under surveillance without any progression in the number of nodules or the size of the existing nodules. She was a lifelong nonsmoker and no family history of asthma. Over the years, she received multiple courses of systemic corticosteroids and different inhalers, without any improvement in her symptoms. The patient was frustrated by the lack of perceived benefit, and she discontinued all respiratory medications. She denied any fever, night sweats, exertional chest pain, or seasonal allergies but reported cough, wheezing, and severe exertional shortness of breath. She was unable to walk more than 20 feet at a time. She had no pets at home and did not travel outside the United States. Her only home medications were multivitamins and low-dose aspirin.