Cavitary lesions can occur in a variety of lung diseases, such as cancerous cavities, pneumonic cavities, tuberculous cavities, cavities due to vasculitis, and congenital diseases such as bronchial cysts combined with infections; sometimes there is a coexistence of tuberculosis and tumours.
Patients need to be seen in a regular hospital for a definitive diagnosis by appropriate pathogenic tests and, if necessary, histological biopsy.