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Background: The management of melanoma patients with metastatic sentinel nodes (SN) is evolving based on the results of trials questioning the impact of completion lymph node dissection (CLND) and demonstrating the efficacy of new adjuvant treatments. In this landscape, new prognostic tools for fine risk stratification are eagerly sought to optimize the therapeutic path of these patients. Methods: A retrospective cohort of 2,086 patients treated with CLND after a positive SN biopsy in thirteen Italian Melanoma Centers was reviewed. Overall survival (OS) was the outcome of interest; included independent variables were the following: age, gender, primary melanoma site, Breslow thickness, ulceration, sentinel node tumor burden (SNTB), number of positive SN, non-sentinel lymph nodes (NSN) status. Univariate and multivariate survival analyses were performed using the Cox proportional hazard regression model. Results: The 3-year, 5-year and 10-year OS rates were 79 %, 70% and 54%, respectively. At univariate analysis, all variables, except for primary melanoma body site, were found to be statistically significant prognostic factors. Multivariate Cox regression analysis indicated that older age (P< 0.0001), male gender (P= 0.04), increasing Breslow thickness (P

Purpose To analyze the population submitted to gastric cancer surgery in our Institution in order to find those characteristics which could help in the identification of the elderly high-risk patient. Methods In a cohort of 263 patients (>65 y) we selectively investigated the risk factors for medical and surgical complications and postoperative mortality, focusing on the variable "age". All the significant variables were used to find predictors of complications with Clavien-Dindo>2. Results Age>75 (AUC 0.61; 95% 0.55–0.67, p = 0.003) and ASA score >2 (AUC 0.60; 95% CI 0.54–0.67, p = 0.01) were significantly associated with an increased risk of medical complications. Operative time >330 min (OR 1.00; 95% CI 1.00–1.01; p = 0.0001- AUC 0.62, 95% CI 0.56–0.68, p = 0.01) was the only significant predictor of surgical complications. In-hospital mortality (6/263 patients) was significantly associated with preoperative albumin ≤2.95 g/dl (OR 0.15; 95% CI 0.04–0.93, p = 0.041 – AUC 0.74 95% CI 0.68–0.80; p = 0.003) and additional procedures (OR 7.05; 1.23–40.32, p = 0.03). Stepwise multivariate analysis showed that albumin ≤2.95 g/dl (OR 3.43; 95% CI 1.06–11.13 p = 0.033), ASA>2 (OR 9.51; 95% CI 1.23–72.97; p = 0.042) and additional resections (OR 3.39; 95% CI 1.36–8.45; p = 0.045) were independent risk factors for complications Clavien Dindo >2. Conclusions Our work demonstrated that, in our institution, 75 years of age could identify the elderly in gastric surgery as those patients were at higher risk of medical complications. ASA >2, preoperative serum albumin ≤2.95 g/dl and the need of additional procedures could increase the risk of severe postoperative adverse events.