A video by Jeffrey Klein, MD presents a practical CT-based division of the mediastinum proposed by ITMIG. This classification defines PREVASCULAR (anterior), a VISCERAL (middle), and a PARAVERTEBRAL (posterior) compartment.
To read more:
Carter BW, Tomiyama N, Bhora FY, Rosado de Christenson ML, Nakajima J, Boiselle PM, Detterbeck FC, Marom EM: A Modern Definition of Mediastinal Compartments. Vol. 9Issue 9S97–S101