Our 14-year-old Retriever has had bouts of shortness of breath and weakness almost to the point of collapse. However, he ...

Don't worry about it. Check this out. The spleen's that soft, purple organ located right behind the stomach and under the lungs. It's about five inches wide and weighs about six ounces.

A previous history of infectious mononucleosis or the presence of recent cold symptoms had no significant affect on spleen size. In more than 7% of athletes, baseline spleen size met current criteria ...