<prompt> A 40 yr female progressive dysponea from 1 yr. She also has bI bibasilar end inspirapory crepitation.True statement are:May be assocated with connective tissue diseaseResidual volume upword arrow edupward arrow Total lung capacity TLCNone  <response>: The patient is having interstitial inflammatory lung disease with progressive dyspnoea bilateral basal end inspiratory crackles.9 of ILD can be associated with connective tissue disordera.,like,SLE,Rheumatoid ahritis,Ankylosing spondylitis,Systemic sclerosis,Sjogrens syndrome,polymyositis-dermatomyositis.In ILD associated with connective tissue disorders,clinical findings suggestive of it like musculoskeletal pain,weakness,fatigue,fever,joint pain or swelling,photosensitivity,Raynauds phenomenon,pleuritis,dry eyes,dry mouth,etc can be present. In ILD TLC RV decreases. Reference:Harrisons 