| Author | 
        Age/Sex/
          Race | 
        Abd    pain | 
        Weight    Loss | 
        Diarrhea | 
        Lung    / Med | 
        Liver | 
        Spleen | 
        Areas    affected | 
        Elevated 
          SACE | 
       
      
        | Raven 
          1949 | 
        53/M/NA | 
        Present | 
        Present | 
        Present | 
        Absent | 
        Absent | 
        Absent | 
        Total    colon | 
        NA | 
       
      
        | McFarlane    1955 | 
        53/M/W | 
        Present | 
        Absent | 
        Present | 
        Absent | 
        Absent | 
        Absent | 
        Cecum | 
        NA | 
       
      
        | Aaronson    1957 | 
        37/F/B | 
        Absent | 
        Absent | 
        Absent | 
        Present | 
        Absent | 
        Absent | 
        Sigmoid,    descending colon | 
        NA | 
       
      
        | Gourevitch    1959 | 
        53/M/W | 
        Present | 
        Present | 
        Present | 
        Absent | 
        Absent | 
        Absent | 
        Sigmoid | 
        NA | 
       
      
        | Gould 
          1973 | 
        29/M/B | 
        Present | 
        Absent | 
        Absent | 
        Present | 
        Present | 
        Present | 
        Rectum | 
        NA | 
       
      
        | Mora 
          1980 | 
        32/M/B | 
        Present | 
        Present | 
        Present | 
        Absent | 
        Present | 
        Present | 
        Rectum | 
        NA | 
       
      
        | Konda 
          1980 | 
        31/M/B | 
        Present | 
        Present | 
        Absent | 
        Present | 
        Present | 
        Present | 
        Rectum,    sigmoid | 
        NA | 
       
      
        | Kohn 
          1980 | 
        55/F/B | 
        Absent | 
        Present | 
        Absent | 
        Present | 
        Present | 
        Absent | 
        Sigmoid | 
        NA | 
       
      
        | Stephen    1981 | 
        36/F/NA | 
        Absent | 
        Absent | 
        Absent | 
        Present | 
        Absent | 
        Absent | 
        Total    colon | 
        NA | 
       
      
        | Tobi 
          1982 | 
        60/F/NA | 
        Absent | 
        Absent | 
        Absent | 
        Present | 
        Present | 
        Present | 
        Rectum | 
        NA | 
       
      
        | Sprague    1984 | 
        60/F/W | 
        Absent | 
        Present | 
        Present | 
        Present | 
        Present | 
        Present | 
        Total    colon | 
        Yes | 
       
      
        | Bulger    1988 | 
        48/M/W | 
        Present | 
        Absent | 
        Present | 
        Present | 
        Present | 
        Absent | 
        Total    colon | 
        NA | 
       
      
        | Levine    1989 | 
        44/M/B | 
        Present | 
        Absent | 
        Absent | 
        Absent | 
        Absent | 
        Absent | 
        Descending    colon | 
        NA | 
       
      
        | Naschitz    1990 | 
        44/M/NA | 
        Present | 
        Absent | 
        Present | 
        Present | 
        Present | 
        Absent | 
        Sigmoid | 
        Yes | 
       
      
        | Zech 
          1993 | 
        34/F/B | 
        Absent | 
        Present | 
        Absent | 
        Present | 
        Present | 
        Absent | 
        Total    colon | 
        Yes | 
       
      
        | Hilzenrat    1995 | 
        57/M/B | 
        Present | 
        Present | 
        Absent | 
        Absent | 
        Absent | 
        Present | 
        Rectum,    sigmoid, transverse colon | 
        NA | 
       
      
        | 
          
          Author | 
        
          
          Age/Sex/
            Race | 
        
          
          Abd    pain | 
        
          
          Weight    Loss | 
        
          
          Diarrhea | 
        
          
          Lung    / Med | 
        
          
          Liver | 
        
          
          Spleen | 
        
          
          Areas    affected | 
        
          
          Elevated 
            SACE | 
       
      
        | 
          Dumot    1998 | 
        
          46/F/NA | 
        
          Present | 
        
          Present | 
        
          Present | 
        
          Present | 
        
          Absent | 
        
          Absent | 
        
          Sigmoid | 
        
          Yes | 
       
      
        | Beniwal    2002 | 
        58/F/B | 
        Present | 
        Absent | 
        Present | 
        Inactive | 
        Absent | 
        Present | 
        Rectum,    sigmoid | 
        Yes | 
       
      
        | Veitch 
          2004 | 
        47/M/WI | 
        Absent | 
        Absent | 
        Absent | 
        Present | 
        Absent | 
        Absent | 
        Total    colon | 
        No | 
       
      
        | Sorrentino    2004 | 
        55/F/W | 
        Present | 
        Absent | 
        Absent | 
        Absent | 
        Absent | 
        Absent | 
        Cecum | 
        Yes | 
       
      
        | Shigemitsu    2007 | 
        58/F/W | 
        Present | 
        Present | 
        Present | 
        Absent | 
        Absent | 
        Absent | 
        Sigmoid | 
        Yes | 
       
      
        | Beniwal
          2008 | 
        58/F/B | 
        Present | 
        Absent | 
        Present | 
        Present | 
        Absent | 
        Absent | 
        Rectum    and Descending colon | 
        Yes | 
       
      
        | Total    (n=22) | 
        Mean
          Age=47.1years
          M:F=1:1
           
          B=9
          W=6
          NA=5    WI=1 | 
        66.7% | 
        47.6% | 
        47.6% | 
        57.1% | 
        42.9% | 
        33.3% | 
        Sigmoid:71.4%
          Rectum:57.1%
          Cecum:38.1%
          Total    colon:28.6% | 
        87.5%  | 
       
     
    M=Male, F=Female, AA=African American, W=White, NA=Not Assessed, WI=West Indian, Abd=Abdomen, Med=Mediastinum, SACE=Serum Angiotensin Converting
    Enzyme. |