Air pollution in China comes from multiple sources, including coal consumption, construction and industrial dust, and vehicle exhaust. Coal consumption in parti
The International Agency for Research on Cancer (IARC) has classified outdoor air pol ution and the particulate matter (PM) in outdoor air pol ution as carcinog
The presence of lymph node metastasis is an important prognostic factor for patients with esophageal cancer. Accurate assessment of lymph nodes in thoracic esop