Why does it sometimes feel like my lungs rub against my rib cage when I breathe in? - Quora
Lung Pain: Causes, Treatment, and When to See a Healthcare Provider
Causes of Lung Pain and Treatment Options - FrontlineER Dallas
Pleurisy: Symptoms, Causes, and Treatment
MedicTests.com - Pleurisy is inflammation of the pleura space next to the lung. It is most often caused by a viral infection. This type of illness causes pleuritic pain a chest pain
Journal Of Paramedic Practice - Recognising, assessing and managing chest pain
How to Ease Pleurisy Pain: 8 Steps (with Pictures) - wikiHow