However, it has low specificity, as many other conditions can cause a widening of the mediastinum on chest x-ray.
en.wikipedia.org They may also occur in other sites, such as the mediastinum, the liver and the gastrointestinal tract.
en.wikipedia.org A scope (mediastinoscope) is then advanced into the created tunnel which provides a view of the mediastinum.
en.wikipedia.org This may reveal an obvious mass, widening of the mediastinum (suggestive of spread to lymph nodes there), atelectasis (collapse), consolidation (pneumonia), or pleural effusion.
en.wikipedia.org The most commonly affected tissues are the lymph nodes, spleen, liver, intestine, mediastinum, bone marrow, lung, and kidney.
en.wikipedia.org