Single solid nodular shadow 17mmx11mm with rough edges is it serious?

A solitary 17mmx11mm solid nodule with hairy margins is serious if it is malignant and mostly not serious if it is benign.
Lung nodule is the imaging manifestation of various benign and malignant lung diseases such as pneumonia, misshapen tumor, lung cancer, etc. Single means that there is only one lesion, and the relatively large size of 17mmx11mm lung nodule with rough edges suggests that the nature of the nodule may be a malignant tumor, but pathological biopsy is needed to confirm the final diagnosis.
If the nodule is a malignant tumor such as lung cancer, metastatic cancer, lymphoma, etc., it is more serious and may spread and metastasize without timely treatment, even endangering life. If the nature of the nodule is a benign disease such as pneumonia or tuberculosis, it is not serious and can be improved and cured after effective treatment.
Patients are advised to consult a specialist and follow the doctor’s instructions for further examination, treatment or follow-up.