According to the doctor, the patient has no disease, no symptoms & treatment not required.

"Fibrosis" is a term used to refer to scarring, so pulmonary fibrosis means scarring throughout the lungs. Pulmonary fibrosis can be caused by many conditions including chronic inflammatory processes (sarcoidosis, Wegener's granulomatosis ), infections, environmental agents (asbestos, silica, exposure to certain gases), exposure to ionizing radiation (such as radiation therapy to treat tumors of the chest), chronic conditions (lupus, rheumatoid arthritis), and certain medications.

My husband had an infection as a child and lived out of the US so didn't get proper treatment. he now has fibrosis in the left lung. up until the last 3 years, he didn't have much of a problem. Some other problems came up and now he is short of breath on exertion but is able to do most things at a slower pace. he is 74. there is a lot of info to be found on Pulmonary fibrosis but it doesn't pertain to everyone.

You or whoever is involved should follow the MD's advice. probably there is a small amount of fibrosis which won't impact the patient, at least at this time. The fibrosis and lesions can't be cleared but can be lived with.