Allergic Bronchopulmonary Aspergillosis, a Masquerader: Unveiling a Case of Nonresolving Pneumonia in an Asthmatic Patient.

Background: Allergic bronchopulmonary aspergillosis (ABPA) is an immune-mediated hypersensitivity reaction to a common environmental fungus. It is typically seen in asthmatic patients and those with cystic fibrosis. Lack of clinical suspicion and misdiagnosis often make the management of this condition difficult.