Citation Nr: 18139636 Decision Date: 09/28/18 Archive Date: 09/28/18 DOCKET NO. 16-16 839 DATE: September 28, 2018 ORDER Entitlement to service connection for osteoporosis as secondary to the Veteran’s bilateral knee disabilities is denied. For the entire period on appeal, a disability rating of 20 percent for right knee chondromalacia with instability is granted. For…