LAUSR

A 69-year-old man with invasive pancreatic ductal adenocarcinoma underwent pancreaticoduodenectomy and adjuvant chemotherapy. Three years later, a right upper lobe (RUL) lung mass was noted on surveillance imaging, suspicious for disease recurrence. He was treated for bronchitis and remained asymptomatic 4 months later with an unremarkable physical exam. Chest imaging (figure 1A,B) showed an RUL central mass with an infiltrative pattern of growth and right paratracheal adenopathy that is negative for malignancy on endobronchial ultrasound-guided needle aspiration. Bronchoalveolar lavage and brushing grew branching septate hyphae identified as Bipolaris species. The presence of cylindrical bronchiectasis with bronchial …