Pat
                    
                    
                    
                    
                    
                    
                    
                        
                        
                        My mom had this.  I am sorry to say that I lost my mom to this last week.  she had this over 2 years.  She was 78 when she died.  I don't know to much about this but if you could let me know anything about this that you know I would be very much interested.