Thanks for the reply. The location of the tumor is definitely a concern but if it's malignant, I'm not sure that I want to do major abdominal surgery at Jaeger's age. We just found yesterday so there's lots to consider.
Jaeger, SchH 2, HIT (May 2004-June 2014)
Keeva, CGN, HIT (April 2002-Aug. 2015)
Luther, rescue extraordinaire (Aug. 2014-Nov. 2015)