Definition of "posterosuperior"

The tumor was resected completely, along with the posterosuperior segment of the right hepatic lobe, the right adrenal gland, and a portion of the IVC using partial clamping of the IVC ( Figure 4(a) ).

2015 June 18, Hirofumi Sonoda et al., “Complete Surgical Resection of a Leiomyosarcoma Arising from the Inferior Vena Cava”, in Case Reports in Medicine‎, volume 2015