Focal:Pertaining to a focus whichinmedicine may refer to:1.The point at which rays converge as, for example, in thefocalpoint.2.A localized area ofdisease. A focal cancer is limited to one specific area. From Healthy Resources 10 Rheumatoid Arthritis Symptoms What Is Exocrine Pancreatic Insufficiency? Understanding COVID-19 Testing and Treatment Featured Centers What Are the Best PsA Treatments for You? Understanding Biologics 10 Things People With Depression Wish You Knew Health SolutionsFrom Our Sponsors Shot-Free MS Treatment Your Child and COVID-19