publication venue for Unusual abdominal metastases in osteosarcoma.. 28. 2018 Esophageal Adenocarcinoma and Squamous Cell Carcinoma in Children and Adolescents: Report of 3 Cases and Comprehensive Literature Review.. 5. 2016 Gastric Volvulus Following Left Pneumonectomy in an Adolescent Patient.. 3. 2015