You will need to see a doctor to find out the
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Natures tears of the problem that is causing the tightness in your chest. To know for sure if this is due to a lung problem you will need to have testing done. Generally testing for a breathing problem starts with a simple breathing test called spirometry. This test provides detailed information about how your lungs are working. If your symptoms are due to a lung problem, this testing should identify the cause. A pulmonologist would be the type of specialist to identify a lung problem and the best treatment.