my dog got some kind of bump can anyone tell me what it could be?

by the way we do have vet appointment on monday look at these pics and maybe u can tell me?
http://viewmorepics.myspace.com/index.cfm?fuseaction=user.editAlbumPhoto&albumID=1056980&imageID=13735017
http://viewmorepics.myspace.com/index.cfm?fuseaction=user.editAlbumPhoto&albumID=1056980&imageID=13735018
http://viewmorepics.myspace.com/index.cfm?fuseaction=user.editAlbumPhoto&albumID=1056980&imageID=13735019
http://viewmorepics.myspace.com/index.cfm?fuseaction=user.editAlbumPhoto&albumID=1056980&imageID=13735020

Answer:

your photos are private.
i'm a trained vet nurse, email me the pictures and i can try to help.
xshahnaex@hotmail.com