Studies on missing data have increased in the past few decades. It is an uncontrollable
phenomenon and could occur during the data collection in practically any research field …

Purpose A prognostic nomogram was applied to predict survival in osteosarcoma patients.
Patients and methods Data collected from 2,195 osteosarcoma patients in the Surveillance …

Background: DLBCL is the most commonly occurring type of non-Hodgkin's lymphoma,
which may be found at various extranodal sites. But little is known about the particular trends …

Background Research on patients with lung cancer as a second primary malignancy
(LCSPM) remains limited. This study aims to determine the clinical characteristics …

Background To investigate the prognostic value of six lymph nodes (LNs) staging systems:
TNM pN stage, 2018 Federation International of Gynecology and Obstetrics (FIGO) stage …

Purpose: Increased attention has been focused on the survival of renal cell carcinoma
(RCC) patients with bone metastasis. This study proposed to establish and evaluate a …

With gastrointestinal tract as the origin, gastrointestinal stromal tumor (GIST) is recognized
as the very widespread mesenchymal tumor. A precise prognostic model of survival is …

Background. This study was designed to review the methodology and reporting of gastric
cancer prognostic models and identify potential problems in model development. Methods …

Background Accurate tumor staging is the cornerstone of tumor treatment. Current tumor
staging system for gastric cancer (GC) is based on regional positive lymph nodes while …

Background Malignant peripheral nerve sheath tumor (MPNST) is extremely rare in soft
tissue sarcoma, with a high rate of recurrence and metastasis. Due to its rarity, the …