URMC / Pathology & Laboratory Medicine / Read Our Blog / April 2016 April 2016 Nothing 'Gross' About it: The Work of a Pathologists' Assistant It’s 9:05 on a Wednesday morning and a group of apron clad pathologists' assistants (PAs) are gathering for morning rounds. This is a daily meeting during which the pathologists, PAs, and residents meet on the floor of the gross room at the University of Rochester Medical Center.