Development and validation of a machine learning model and nomogram for predicting brain metastasis in lung cancer: a population-based study Yukai Zeng; Fengwu Lin; Lening Zhang; Jingyuan Jiang; Chen Zhang; Dongliang Qin; Zhe Zhang;

Portal hypertension and bleeding esophageal varices caused by portal vein thrombosis in children: experience of a single center with emphasis on treatments and results Ana Cristina Aoun Tannuri; Amanda Anacleto dos Santos Barsuttini; Nelson Elias Mendes Gibelli; Giovanna Pedreira; Maria Luiza Villela Corullon; Pedro Zanetta Brenner; Manoel Ernesto Peçanha Gonçalves; Silvia Regina Cardoso; Diamari Caramelo Ricci Cereda; Uenis Tannuri;

Polidocanol-foam treatment of varicose veins: Quality-of-life impact compared to conventional surgery Lissa Severo Sakugawa; Felipe Soares Oliveira Portela; Andressa Cristina Sposato Louzada; Maria Fernanda Cassino Portugal; Marcelo Passos Teivelis; Cynthia de Almeida Mendes; Lucas Lembrança Pinheiro; Marcelo Fiorelli Alexandrino da Silva; Alexandre Fioranelli; Nelson Wolosker;