The objective of this single-center retrospective study of surgical resections for suspected PCC between 1998 and 2018 is meant to describe the presentation and biochemical properties of pheochromocytomas (PCCs) as a function of size and cause for workup, including those symptomatic with hypertension or paroxysmal episodes, with known genetic predisposition (GP), or with an incidental mass (IM) on imaging.