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A case of bronchioloalveolar carcinoma of the lung is described in a 19-year-old man who had had a lobectomy in infancy, for removal of a congenital cystic adenomatoid malformation. It is suggested that congenital cystic adenomatoid malformation may predispose a patient to development of epithelial malignancies of the lung, whereas mesenchymal hamartomas usually are associated with nonepithelial neoplasms.
Benjamin et al. (Sat,) studied this question.