Pictures Of The Stomach Area A Question About A Lump Like Thing On My Dogs Stomach Area?

A question about a lump like thing on my dogs stomach area? - pictures of the stomach area

My Beagle dog was 4 years and something like a lump sum (in size, slightly smaller than a golf ball) on his stomach on his stomach and half an inch below the cage castes laid. This package is not right in the middle of the stomach, but on the side of the stomach, as here, in this table,

http://tinypic.com/view.php?pic=24c7ehy&s=4

If I noticed this package (or what it is today) and if he had to leave my first contact, and even a little pressure on him and had never cried before, or showed signs of delayed discomfort. But later in the day that people try to put this area, which is a complement to them and try to make a person who does not bite, he does touch every time someone touches a painful part of his body. He has been scratching a lot lately, but it can also be attributed to flea medication is applied research, which begins today. Any help or experiences are all very appreciated, thanks.