Fig. 3From: Recurrent lymphangioleiomyomatosis in a lung allograft with COVID-19: autopsy case report and literature reviewTransbronchial biopsy of the lung allograft shows atypical spindle cell proliferation (dotted circle). The abnormal spindle cells are larger than that of the smooth muscle cells in the nearby arteries and bronchioles (hematoxylin and eosin, original magnification 40X)Back to article page