Introduction There currently exists limited data comparing definitive chemoradiotherapy to
neoadjuvant chemoradiotherapy with esophagectomy for patients with esophageal …

Abstract Background The Charlson Comorbidity Index (CCI), an indicator that objectively
quantifies comorbidities, reduces nutritional status; however, the impact of the CCI on the …

Background Little is known about the long-term outcomes and prognostic factors with non-
curative endoscopic submucosal dissection (ESD) in elderly patients with early gastric …

Introduction Sarcopenia impacts the toxicity of chemotherapy in patients with cancer, but
there is little information on the association of sarcopenia with the relative dose intensity …

Background In older adults, skeletal muscle mass is an important factor for health and
prognosis. The loss of SMM during neoadjuvant therapy affects the prognosis of patients …

Background The role of preoperative neoadjuvant chemotherapy (NAC) in patients with
resectable colorectal liver metastases (CRLM) remains undetermined. This study aimed to …

Background Preoperative risk assessment is important in older patients because they often
have comorbidities and impaired organ function. We performed preoperative …

Background The number of patients with esophageal cancer aged≥ 70 years with a poor
prognosis is increasing. In general patients with esophageal cancer, postoperative loss of …

METHODS: We reviewed patients who underwent ESD (n= 70) or surgery (n= 114) for
SESCC at Seoul National University Hospital from 2011 to 2017. A propensity score …

Background Esophagectomy for esophageal cancer is associated with frequent respiratory
morbidities, which may deteriorate postoperative survival outcomes. Thoracoscopic …