Abstract Background Metastases are the major cause of cancer-related morbidity and mortality. By the time cancer cells detach from their primary site to eventually spread to distant sites. they need to acquire the ability to survive in non-adherent conditions and to proliferate within a new microenvironment in spite of stressing conditions that may severely constrain the metastatic pr... https://www.roneverhart.com/Nova-Medical-Cane-Holder-For-Phoenix-Express-Rollators/