In one embodiment, the test is a method for measuring Bcl-2 in a bodily fluid, comprising: (a) obtaining a sample of bodily fluid, such as blood or urine, from a subject; (b) contacting the sample with a binding agent that binds to any Bcl-2 in the sample; (c) separating Bcl-2-bound binding agent; (d) detecting a signal associated with the separated binding agent from (c); and (e) comparing the si