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Published on: December 27, 2024
Comparison of Aggressive Planned Salvage Surgery Versus Neoadjuvant Chemoradiotherapy Plus Surgery for Borderline
Osamu Shiraishi1, Takushi Yasuda2, Hiroaki Kato2
1Department of Surgery, Faculty of Medicine, Kindai University, Osaka-Sayama, Japan. osashiraishi@med.kindai.ac.jp.
Introduction:
We compare planned salvage surgery after definitive chemoradiotherapy (SALV) versus neoadjuvant chemoradiotherapy plus surgery (NCRS) for borderline resectable T4 esophageal squamous cell carcinoma.
Patients And Methods:
A total of 37 patients underwent planned SALV, and 20 underwent NCRS from 2004 to 2017. The short-term outcome measures were the R0 resection rate, complications, and treatment-related mortality. The long-term outcome measures were the 5-year overall survival rate and causes of death.
Results:
R0 resection rate was similar between the SALV and NCRS groups (81% versus 85%). The incidence of postoperative pneumonia (35% versus 18%) and treatment-related mortality rate (9% versus 0%) tended to be higher in the SALV. ypT grade 2-3 (65% versus 30%, p = 0.012) and Clavien-Dindo grade ≥ IIIb complications (32% versus 0%, p = 0.008) were significantly more frequent in the SALV group. The groups had similar 5-year overall survival (26% versus 27%). The causes of death in the SALV and NCRS groups were primary esophageal cancer in 35% and 55% of patients, respectively, and pulmonary-related mortality in 24% and 5%, respectively. Multivariable Cox regression analysis revealed the following significant poor prognostic factors: stable disease as the clinical response, preoperative body mass index (BMI) of < 18.5 kg/m2, ypN stage 1-3, and R1-2 resection.
Conclusions:
SALV was associated with a higher incidence of late pulmonary-related mortality but had a stronger antitumor effect than NCRS. Consequently, the survival rate was similar between the groups. Surgery is recommended for patients with a partial response and preoperative BMI of ≥ 18.5 kg/m2.
