Not a medical professional here, so this is an uneducated opinion.
There is nothing the vet can do now anyways. I would just keep an eye on him and watch for unusual behavior. Glad he got it out or down.
If he starts vomiting, develops an enlarged belly, becomes lethargic, begins salivating profusely or panting hard for no apparent reason I would head to the vet.
When a dog saves the life of a man, it becomes clear that partnership knows no bounds.
Fama - T.E.D.D. OEF XI-XII (GSD)(RET... )
Marshall - T.E.D.D. OEF XII-XIII (Lab)(SF EDD)
Lucian - Med Alert (Cane Corso)
Pud - the old man (Pit x Lab)