I am dealing with a fall allergy at this time that is affecting my throat and vocal cords (laryngitis). I have this allergy every year and it lasts several weeks.  Previous to that I had a cold.  Recently I had a CT scan to see if there were any blockages in my heart.  My heart is fine, no blockages. But during that scan, the radiologist noted that my right hilar lymph node was mildly enlarged.  My question is
Dear Friend, Hilar lymphadenopathy has various causes prominent among those are infections like bacterial, tuberculosis, aspergilli whicChatDoctormonly leads to Hilary adenopathy...other prominent causes are autoimmune diseases, acidosis, malignancy. You have history of allergy, sinusitis which may point towards some conditions like Wegner granulomatosis which can also cause Hilary adenopathy. I would suggest you to get your CT Scan of your chest. If there is some lesion, will do further workup. Since your radiologist told that its mild. It may be insignificant or may be significant. I am not saying you have a disease, but it's always better to be sure. Lets us know if we can help you in any way or if you have further queries. Stay healthy Chat Doctor.