<p><span style=color: rgba(23 43 77 1)>This Special Issue (SI) focuses on a rare disease by the name of solitary fibrous tumor. This SI includes review articles&nbsp;and original reports. The original reports range from translational to cinical science and focus on gaining new treatment and management approaches&nbsp;for this rare disease. I want to thank all contributing authors for their efforts and hard work that made this SI possible.</span></p>