| Mukositis | 
  
  | Kriterium | 
  0 | 
  1 | 
  2 | 
  3 | 
  4 | 
 | Mucosal reactions
 |  none,  | 
 slight erythema, | 
 marked erythema, | 
 spotted mucositis,  | 
confluent mucositis
 |  | Area involved  |  none,  | 
=25%,  | 
 25–
50%,  | 
 50–100%
 |  | Edema  |  none,  | 
 slight,  | 
 moderate, | 
 severe
 |  | Bleeding  |  none,  | 
 slight, incidental, | 
 slight, multifocal,  | 
marked, regular
 |  | Ulceration  |  none,  | 
 single, superficial, | 
 multifocal, superficial, | 
 single, profound,  | 
multifocal, profound
 |  | Dysphagia
(diet)
 |  normal,  | 
 exclusion of
some food,  | 
 soft, pulp
food only,  | 
 fluids only,  | 
tube feeding or intravenous
alimentation
 |  | Pain  |  none,  | 
 during eating
only,  | 
 constant, but moderate,
non-steroidal analgesics, | 
 constant, serious,
narcotics needed | 
 
  |