↑
Cancer Center of Southern Indiana
New Albany, Indiana*

↑
Tri-County Medical Center
Shelbyville, Kentucky
↵                       

Willis-Knighton
←     Pierremont          
Medical Center
Shreveport, Louisana*
↓

↑                 
Harrison County Hospital - Corydon, Indiana         ↑

Quillen Veterans Hospital
Johnson City, Tennessee
↵                        

Veterans Hospital
Louisville, Kentucky
                    →

       ↑
Pattie Clay
Medical Center
Richmond, Kentucky
↵

Cancer Treatment Center
Steubenville, Ohio
↵

↑
Northwestwern Internists
Chicago, Illinois*