First Account of Primary Leiomyosarcoma of the Lesser Omentum since Establishment of c-Kit Mutations in Gastrointestinal Stromal Tumors by Fumito Saijo, Kaoru Sato, Tomoko Handa, Yoichi Narushima, Naoki Matsumura, Noriyuki Iwama, Fumie Nakayama, Hiromi Tokumura

“…Primary omental leiomyosarcoma is an extremely rare type of tumor. Leiomyosarcomas originating from the lesser omentum have not been reported since immunohistochemical staining for c-kit has been used for the diagnosis of mesenchymal abdominal tumors. …”
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Current Approach of Functioning Head and Neck Paragangliomas: Case Report of a Young Patient with Multiple Asynchronous Tumors by Alejandro Terrones-Lozano, Alan Hernández-Hernández, Edgar Nathal Vera, Gerardo Yoshiaki Guinto-Nishimura, Jorge Luis Balderrama-Bañares, Claudia Ramírez-Rentería, Judith de la Serna-Soto, Alfredo Adolfo Reza-Albarran, Lesly Portocarrero-Ortiz

“…Pheochromocytomas (Pheo) and paragangliomas (PGL) are rare neuroendocrine tumors arising from chromaffin cells of the adrenal medulla and from the extra-adrenal autonomic paraganglia, respectively. …”
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Surgical Treatment and Survival in Patients with Liver Metastases from Neuroendocrine Tumors: A Meta-Analysis of Observational Studies by Stefano Bacchetti, Serena Bertozzi, Ambrogio P. Londero, Alessandro Uzzau, Enrico Maria Pasqual

“…The role of hepatic resection in patients with liver metastases from gastroenteropancreatic neuroendocrine tumors (GEP-NETs) is still poorly defined. Therefore, we examined the results obtained with surgical resection and other locoregional or systemic therapies by reviewing the recent literature on this topic. …”
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Pneumo-PET-CT: Initial Results of This Novel Technique on the Evaluation of Esophageal and Gastric Tumors with Anatomic-Surgical Correlation by Facundo N. Diaz, Marina Ulla, Jose M. Lastiri, Fernando G. Wright, Demetrio Cavadas

“…The focus of our discussion will be on the description of the pneumo-PET-CT technique and the interpretation criteria with emphasis on its benefits and applications in the presurgical and postneoadjuvant therapy evaluation of esophageal, esophagogastric junction (EGJ), and gastric tumors.…”
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Atypical Fragility Fractures due to Bony or Soft Tissue Phosphaturic Mesenchymal Tumors: A Report of Two Cases by Stephanie M. Clegg, Emily S. Eiel, Sara Fine, Rachel I. Gafni, Mathew J. Most

“…Benign phosphaturic mesenchymal tumors (PMT) are responsible for the TIO and are largely soft tissue tumors. …”
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EIF1AX mutation in thyroid tumors: a retrospective analysis of cytology, histopathology and co-mutation profiles by Noha Elsherbini, Dong Hyun Kim, Richard J. Payne, Thomas Hudson, Véronique-Isabelle Forest, Michael P. Hier, Alexandra E. Payne, Marc P. Pusztaszeri

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Causality between insulin use and malignant tumors of the digestive system: a two-sample mendelian randomized study by DengZhuo Chen, YongLi Ma, JingHui Li, Liang Wen, GuoSheng Zhang, ChengZhi Huang, XueQing Yao

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Clinical Impact of Endoscopic Submucosal Dissection for Gastric Neuroendocrine Tumors: A Retrospective Study from Mainland of China by Wei-Feng Chen, Ping-Hong Zhou, Quan-Lin Li, Mei-Dong Xu, Li-Qing Yao

“…As a minimally invasive technique, endoscopic resection may benefit patients diagnosed with early stage gastrointestinal neuroendocrine tumors (NETs). However, no studies have yet been published in which endoscopic submucosal dissection (ESD) has been applied for gastric NETs. …”
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Magnetic Targeting of Rhodamine-Labeled Superparamagnetic Liposomes to Solid Tumors: In Vivo Tracking by Fibered Confocal Fluorescence Microscopy by Marie-Sophie Martina, Jean-Paul Fortin, Laure Fournier, Christine Ménager, Florence Gazeau, Olivier Clément, Sylviane Lesieur

“…Human prostate adenocarcinoma tumors implanted in mice were used as a system model. …”
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Idea of Synergistic and Comprehensive Treatment of Malignant Tumors with Traditional Chinese Medicine Discussed from Theory of “Cancer State” by Zhong LI

Subjects: “…malignant tumor…”
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Incidence and Survival Analysis of Gastrointestinal Stromal Tumors in Shanghai: A Population-Based Study from 2001 to 2010 by Minzhi Lv, Chunxiao Wu, Ying Zheng, Naiqing Zhao

“…Older age, male gender, and tumor locations are risk factors for its mortality.…”
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Case report: A rare case of three synchronous colon tumors with metastasis to the left inguinal lymph node by Roxana Loriana Negrut, Roxana Loriana Negrut, Adrian Cote, Adrian Cote, Ovidiu Tica, Ovidiu Tica, Adrian Marius Maghiar

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Diagnostic and Prognostic Impact of Progesterone Receptor Immunohistochemistry: A Study Evaluating More Than 16,000 Tumors by Florian Viehweger, Lisa-Marie Tinger, David Dum, Natalia Gorbokon, Anne Menz, Ria Uhlig, Franziska Büscheck, Andreas M. Luebke, Claudia Hube-Magg, Andrea Hinsch, Doris Höflmayer, Christoph Fraune, Patrick Lebok, Sören Weidemann, Maximilian Lennartz, Frank Jacobsen, Till S. Clauditz, Rainer Krech, Till Krech, Andreas H. Marx, Ronald Simon, Eike Burandt, Stefan Steurer, Guido Sauter, Sarah Minner, Christian Bernreuther

“…PR immunostaining was detected in 57.4% of breast tumors, 28.6% of other gynecological tumors, and 1.8% of nongynecological and nonmammary tumors. …”
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Serum vascular endothelial growth factor levels in bitches with canine transmissible venereal tumors treated with vincristine sulphate by Esra Kocabaş, Özkan Duru, Hasan Ceyhun Macun

“…<b>Aim:</b> The present study aimed to determine the serum concentrations of vascular endothelial growth factor (VEGF), which is an important factor in tumor angiogenesis, in dogs with transmissible venereal tumor (TVT) and to evaluate the levels of this factor in treatment with vincristine sulphate. …”
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Feasibility of enzalutamide on patients with recurrent non-muscle-invasive bladder cancer with marker tumors: phase I study by Takashi Kawahara, Shuya Kandori, Takahiro Kojima, Bryan J. Mathis, Masanobu Shiga, Hiroyuki Nishiyama

“…Immunohistochemical analysis did not showed the strong staining of AR in the latest tumors. This is the first clinical study on enzalutamide treatment for NMIBC patients. …”
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Single-cell transcriptomics identify a novel macrophage population associated with bone invasion in pituitary neuroendocrine tumors by Xinzhi Wu, Xueshuai Han, Haibo Zhu, Mingxuan Li, Lei Gong, Sicheng Jing, Weiyan Xie, Zhaoqi Liu, Chuzhong Li, Yazhuo Zhang

“…Abstract Background Bone-invasive Pituitary Neuroendocrine Tumors (BI PitNETs) epitomize an aggressive subtype of pituitary tumors characterized by bone invasion, culminating in extensive skull base bone destruction and fragmentation. …”
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Cerenkov Luminescence Tomography of Aminopeptidase N (APN/CD13) Expression in Mice Bearing HT1080 Tumors by Zhenhua Hu, Weidong Yang, Xiaowei Ma, Wenhui Ma, Xiaochao Qu, Jimin Liang, Jing Wang, Jie Tian

“…CLT also allowed quantifying 131 I-NGR uptake in tumor tissues showing an average activity of 0.1388 ± 4.6788E-6 MBq in tumor tissues. …”
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The Efficacy of Endoscopic Submucosal Dissection of Type I Gastric Carcinoid Tumors Compared with Conventional Endoscopic Mucosal Resection by Hyung Hun Kim, Gwang Ha Kim, Ji Hyun Kim, Myung-Gyu Choi, Geun Am Song, Sung Eun Kim

“…Endoscopic submucosal dissection (ESD) is widely accepted for removing carcinoid tumors. We aimed to evaluate the clinical usefulness of ESD with that of EMR for resection of type I gastric carcinoid tumors. …”
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Computed tomography-based contrast features for distinguishing extra-gastrointestinal stromal tumors from intra-abdominal fibromatosis by Lijing Zhang, Yongbo Li, Xinxin Luo, Deqi Li, Linlin Yin, Jiayue Li, Li Zhang

“…PURPOSE: This study aims to define the computed tomography (CT) criteria that distinguish extra-gastrointestinal stromal tumors (eGISTs) from intra-abdominal fibromatosis (IAF). …”
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Increased Early‐Mortality in Children With Solid Tumors During the COVID‐19 Pandemic in a Middle‐Income Country by Oscar Ramirez, Vivian Piedrahita, Santiago Bolivar, Karina Grillo, Adriana Linares, Carlos Pardo, Martha Piña, Amaranto Suarez, Carlos A. Portilla, Jesus Ardila, Viviana Lotero, Luz A. Urcuqui, Angela Trujillo, Patricia Montenegro, Luis E. Bravo, Paula Aristizabal, VIGICANCER Working Group

“…Conclusions We observed increased early‐mortality for solid tumors, particularly bone tumors and retinoblastoma, likely attributed to more advanced‐stage presentation and loss of treatment effectiveness due to healthcare disruptions. …”
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