According to the American Cancer Society, lung cancer remains the leading cause of cancer-related mortality and although the overall incidence is declining, it continues to rise in women. Each year, more people die of lung cancer than breast, colon, and prostate cancers combined. Treatment depends on the specific type of lung cancer. Chemotherapy, radiation, and surgery may be needed.64 Researchers continue to study alternative treatment options including stem cell-based therapies. One type of stem cell-based therapy being explored uses Mesenchymal Stem Cells in treatment.