The idiopathic pulmonary fibrosis honeycomb cyst contains a mucocilary pseudostratified epithelium.
Seibold MA, Smith RW, Urbanek C, Groshong SD, Cosgrove GP, Brown KK, Schwarz MI, Schwartz DA, Reynolds SD. The idiopathic pulmonary fibrosis honeycomb cyst contains a mucocilary pseudostratified epithelium. PLoS One. 2013; 8(3):e58658.