PHYSICAL REQUIREMENTS*: Frequently stand, walk, twist, bend, stoop, squat, grasp lightly, use fine manipulation, grasp forcefully, perform desk-based computer tasks, use telephone, write by hand, lift, carry, push and pull objects weighing over 40 pounds. The Gray Laboratory is a part of the Stanford Cancer Institute (SCI), which is one of an elite number of National Cancer Institute-Designated Comprehensive Cancer Centers in the country, and is a prominent, dynamic, growing, and complex Institute within the Stanford University School of Medicine.