Need to know more details about history, cause of fibrosis etc,gurther fibrosis can be prevented using anti fibrotic drugs,in advanced stage you have an option to get a lung transplant done if his fibrosis worsens,if he develops severe respiratory failure,pulmonary hypertension etc,presently oxygen support needs to be continued,need to evaluate in detail for further guidance
Next Steps
consult pulmonologist for further evaluation and treatment