system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 64-year-old man is brought to the emergency department because of fever, chills, shortness of breath, chest pain, and a productive cough with bloody sputum for the past several days. He has metastatic pancreatic cancer and is currently undergoing polychemotherapy. His temperature is 38.3°C (101°F). Pulmonary examination shows scattered inspiratory crackles in all lung fields. A CT scan of the chest shows multiple nodules, cavities, and patchy areas of consolidation. A photomicrograph of a specimen obtained on pulmonary biopsy is shown. Which of the following is the most likely causal pathogen?
assistant
Aspergillus fumigatus