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Table 4 Late morbidities (CTCAE v5.0) after carbon-ion based radiotherapy for primary and recurrent sacral chordoma

From: High-dose carbon-ion based radiotherapy of primary and recurrent sacrococcygeal chordomas: long-term clinical results of a single particle therapy center

Grade

0

1

2

3

4

Skin

62

6

0

0

0

Gastrointestinal tract

66

0

2

0

0

Peripheral nerves

62

1

2

1

2

Sacral insufficiency fractures

35

21

1

11

0

  1. The values given are patient numbers
  2. Abbreviations: EQD2 Cumulative equivalent radiation dose, GTV Gross tumor volume