<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hello Doctor,My Son is 3 Yrs old. His chest X ray examination shows Prominent Bronchovascular markings are seen in both lungfields. He is having the cough problem since last 15 days. Please suggest what is the clinical significance of X Ray reading. Thanking You  <response>: Thanks for your question on Chat Doctor. I can understand your concern. No need to worry about this x-ray report. Prominent bronchovascular markings BVM are commonly seen due to viral infection, bronchitis etc. Normally bronchus appear black on chest x-ray. So it can not be seen. But in case of viral infection and bronchitis inflammation, wall of bronchus becomes edematous and visible on chest x-ray. Along with bronchus, blood vessels also engorged and visible on x-ray. So together they are known as prominent bronchovascular markings. In child Chat Doctor. So consult pediatrician and start appropriate treatment. He needs anti histamine, anti-inflammatory 