Definition of cloistered. 1  1 : being or living in or as if in a cloister cloistered nuns. 2  2 : providing shelter from contact with the outside world the cloistered atmosphere of a small college the cloistered life of the monastery.
There are several ways in which lung cancer can cause back pain. The tumor alone may contribute to back pain by creating direct pressure on structures in the back. Cancer may also irritate nerves traveling through the chest or the lining of the lungs which can be interpreted by the brain as back pain.
1 This cause of chest pain occurs when a blood clot becomes lodged in a lung (pulmonary) artery, blocking blood flow to lung tissue. 2  Pleurisy. If the membrane that covers your lungs becomes inflamed, it can cause chest pain that's made worse when you inhale or cough.  Collapsed lung.