Case presentation Presenting complaints: A 61-year-old male was presented to the emergency department (ED) with complaints of chronic cough, productive of white sputum, and occasional dyspnea on exertion. The patient was non-responsive to the inhalation pump. Medical History: The patient was a non-smoker with a history of ulcerative colitis, dyslipidemia, and exercise-induced asthma. Laboratory Investigations: Vital signs and physical examination were normal.
Six months old Spirometry results: Normal Forced vital capacity (FVC), Forced expiratory volume (FEV1), FEV1/FVC ratio, and diffusing capacity of the lungs for carbon monoxide (DLCO). Radiological findings: Posteroanterior and lateral chest X-ray: A thin band-like opacity overlying the cardiac contour (Cover Image). Noncontrast CT of the chest: endobronchial soft tissue mass at the origin of the right middle lobe bronchus…
