(AGE 
    (1 . 10-19)
    (2 . 20-29)
    (3 . 30-39)
    (4 . 40-44)
    (5 . 45-49)
    (6 . 50-54)
    (7 . 55-59)
    (8 . 60-64)
    (9 . 65-69)
    (10 . 70-79)
    (11 . 80-89)
    (12 . >=90))
(GENERAL-HEALTH-STATUS 
   (5 . poor) (4 . poor) (3 . average) (2 . good) (1 . good))
(BULKY-DISEASE 
   (1 . no) (2 . yes))
(HISTOLOGICAL-CLASSIFICATION  
   (1 . low-grade) (2 . high-grade))
(CLINICAL-STAGE 
   (1 . I) (2 . II1) (3 . II2) (4 . III) (5 . IV))
(CLINICAL-PRESENTATION 
   (1 . none) (3 . hemorrhage) (4 . perforation) (2 . obstruction))
(CT&RT-SCHEDULE
   (0 . none)
   (1 . RT)
   (2 . CT) 
   (3 . CT-next-RT))
(SURGERY  
   (1 . none)
   (2 . palliative)
   (3 . curative))
(BM-DEPRESSION 
   (0 . no) (1 . no) (2 . yes)  (3 . no) (9 . no) ("NA" . no))
(PERFORATION 
   (1 . no)
   (2 . yes))
(HEMORRHAGE
   (1 . no)
   (2 . yes))
(EARLY-RESULT
   (1 . CR)
   (2 . PR)
   (3 . NC)
   (4 . PD))
(THERAPY-ADJUSTMENT
   (0 . no) 
   (1 . yes))
(5-YEAR-RESULT 
   (1 . alive)
   (2 . death))