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Impact of Interval Between Neoadjuvant Chemoradiation and Surgery Upon Morbidity and Survival of Patients with Squamous Cell Carcinoma of Thoracic Esophagus.
Anticancer Research 2018 September
BACKGROUND/AIM: The present study aimed to determine the effects of intervals between neoadjuvant chemoradiotherapy (nCRT) and esophagectomy on therapeutic outcomes in patients with locally advanced esophageal squamous cell carcinoma (ESCC).
PATIENTS AND METHODS: We analyzed data from 134 consecutive patients who were diagnosed with locally advanced ESCC of the thoracic esophagus and were treated by nCRT followed by esophagectomy between September 2003 and September 2015. We assigned the patients to groups A and B according to whether they underwent esophagectomy ≤8 or >8 weeks after nCRT.
RESULTS: The two groups were comparable in terms of age, gender, performance status, comorbidities, tumor location, clinical stage, R0 resection rates and pathological responses to nCRT. The incidences of pneumonia and respiratory failure were significantly higher in group B (p=0.03, p=0.009, respectively). Recurrence-free (RFS) and overall (OS) survival rates did not significantly differ between the two groups. However, RFS was significantly poorer among patients with R0 resection (p=0.04) and those of cStages III and IV (p=0.009) in group B.
CONCLUSION: Esophagectomy should proceed within eight weeks after nCRT from the viewpoints of respiratory morbidity and impact of RFS on patients with R0 resection.
PATIENTS AND METHODS: We analyzed data from 134 consecutive patients who were diagnosed with locally advanced ESCC of the thoracic esophagus and were treated by nCRT followed by esophagectomy between September 2003 and September 2015. We assigned the patients to groups A and B according to whether they underwent esophagectomy ≤8 or >8 weeks after nCRT.
RESULTS: The two groups were comparable in terms of age, gender, performance status, comorbidities, tumor location, clinical stage, R0 resection rates and pathological responses to nCRT. The incidences of pneumonia and respiratory failure were significantly higher in group B (p=0.03, p=0.009, respectively). Recurrence-free (RFS) and overall (OS) survival rates did not significantly differ between the two groups. However, RFS was significantly poorer among patients with R0 resection (p=0.04) and those of cStages III and IV (p=0.009) in group B.
CONCLUSION: Esophagectomy should proceed within eight weeks after nCRT from the viewpoints of respiratory morbidity and impact of RFS on patients with R0 resection.
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