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Table 1 Classification of clinical intraoral changes after hematopoietic stem cell transplantation

From: Oral carcinoma after hematopoietic stem cell transplantation – a new classification based on a literature review over 30 years

Grade Clinical intraoral features
0 No involvement
1 Erythema and/or hyposalivation
2 Lichenoid appearance
3 Ulceration, tumor