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Abstract

The following case presentation is of a 75-year-old male who presented to the emergency department with chronic obstructive pulmonary disease (COPD) exacerbation, secondary to pneumonia, and a history of a congenital left lung abnormality with non-development. Since the first report by de Pozzis in 1673, more than 200 cases of lung abnormalities with non-development have been recorded.1,2 The first proposed classification of underdevelopment of the lung was introduced by Schneider in 1912: Class I Agenesis - total absence of bronchus and lung, Class II Aplasia - rudimentary bronchus without lung tissue, and Class III Hypoplasia - bronchial hypoplasia and variable but reduced amount of lung tissue.1,2 The rarity of reports and applicable literature involving congenital lung abnormalities with non-development in the elderly, such as pulmonary aplasia, prompted this case presentation.

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