In 184 BC, when Philip was preparing for a new war with the Romans, Appius was sent at the head of an embassy into Macedon and Greece, to observe his movements and wrest from his grasp those cities of which he had made himself master.
In 184 BC, when Philip was preparing for a new war against the Romans, Appius was dispatched to Macedon and Greece as an envoy. His mission was to monitor Philip's actions and prevent him from seizing control of those cities he had already captured.