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Table 2 Treatment characteristics at first-line and second-line treatment, n = 75

From: Salvage radiotherapy for recurrent hypopharyngeal and laryngeal squamous cell carcinoma (SCC) after first-line treatment with surgery alone: a 10-year single-centre experience

first-line treatment (surgery)
number of previous surgeries
 1 46 (61)
 2 17 (23)
 3 10 (13)
 4 2 (3)
total laryngetomy 18 (24)
larynx-preserving surgery 57 (76)
 vocal cord tripping 2 (3)
 endoscopic laser resection 21 (28)
 partial laryngectomy 34 (45)
unilateral ND 10 (13)
bilateral ND 27 (36)
 ECS 11 (30)
second-line treatment (RT/CRT)
median EQD2 in Gy 67 Gy (60–72 Gy)
median PTV1 101 cc (21–1949 cc)
median PTV2 740 cc (51–72 cc)
concomitant chemotherapy 48 (64)
concomitant cetuximab 10 (13)
  1. abbreviations: RT radiotherapy, CRT chemoradiotherapy, ECS extracapsular spread, EQD2 equivalent dose in 2 Gy single dose fractions, ND neck dissection, PTV planning target volume