“I found it strange that I had a large benign tumor on the tendon sheaths of the knee joint. As the tumor grows in the joint, it damages the surrounding bone and tissues if not removed promptly. I later researched the toxicity of very high altitude facilities and realized that I was working in a very abnormal biological environment that was clearly doing strange things to workers health.” AstronomyOshaAltitudeMaunaKeaTmtBenignTumorSheathsTendon Author:Steven Magee