Pleurisy is a specific type of chest pain. The following, from the
Mayo Clinic, is a good definition.
“Definition
By Mayo Clinic staff
Pleurisy
Pleurisy is a symptom occurs when the double membrane (pleura) that lines the inside of your chest cavity and surrounds each of your lungs becomes inflamed. Also called pleuritis, pleurisy typically causes sharp pain, characteristically when you are inhaling and exhaling, with or without cough.