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[A case of treatment with Dumon stent for tracheal stenosis due to lung cancer with hypercalcemia].

A 65-year-old man was facing to tracheal stenosis due to proximally developed lung cancer with hypercalcemia mediated by production of PTHrP from the cancer cells. We treated the stenosis use of Dumon stent and hypercalcemia with drugs such as biphosphonate and so on. The treatment was effectively keep the patient under better performance status for about 3.5 months.