Special issue on diagnosis of primary hematolymphoid disease of the lung and pleura.

This special issue is dedicated to the pathologic diagnosis of commonly encountered pulmonary hematolymphoid tumors and the reactive mimickers. The articles focused on the interesting topics of primary malignant hematolymphoid diseases of the lung and pleura. We hope this update is educational for general surgical pathologists and hematopathologists when dealing with challenging pulmonary lesions of lymphoid infiltrates in their daily practices.