Should I Be Worried About The Fibro-linear Opacities In My Chest X-ray, Given My History Of Asthma And Occasional Difficulty Breathing After Physical Activity?

Hi, I m 45 years old and my chest x-ray results says that there are fibrolinear opacities at the left upper and left lower lung fields. The others are clear and no signs of abnormality tho. However, I m quite worried. Is this something I should worry about? I sometimes have difficulty in breathing especially after physical activities and I had history of asthma when I had my first son, too. I hope you can enlighten me. Thank you so much.