The tracheal lipoma usually appears as a smooth tumor that rises gently on the wall, with visible vessels on the surface.
In this case he has suffered a sarcomatous degeneration.
Francisco Muñiz Hospital
Leiomyosarcoma: This image is not very precise, but there is a red wine formation that occupies all the light of the middle lobe bronchus.
The bubble crown indicates that the lesion does not infiltrate the entire perimeter of the wall, or that there is a pedicle, and that ventilation is still possible.
Leiomyosarcoma in a bronchial neoplasm with low frequency of presentation.