Mediastinal lymph nodes are not large is an imaging term indicating that there are no enlarged lymph nodes in the mediastinum, which is normal and usually does not require special treatment.
Mediastinal lymph nodes are lymphatic tissues within the mediastinum. Under normal circumstances, mediastinal lymph nodes are small, usually <1cm, and if the mediastinal lymph nodes are more than 1cm, it means that the mediastinal lymph nodes are enlarged. There are many reasons for the enlargement of mediastinal lymph nodes, which are commonly caused by mediastinal inflammation, tuberculosis, mediastinal tumors, nodal disease, and metastasis of malignant tumors.
It is normal for mediastinal lymph nodes not to be large, so there is no need to worry; if you find that the mediastinal lymph nodes are enlarged, it is recommended that you consult a doctor in a timely manner to clarify the cause of the disease and follow the doctor's instructions for treatment.