<prompt> Shrinking lung is a feature ofRheumatoid ahritisSLESystemic scleorisPolymyosities  <response>: Shrinking lung syndrome SLS is a rare complication of systemic lupus erythematosus SLE characterized by unexplained dyspnea, a restrictive pattern on pulmonary function tests, and an elevated hemidiaphragm.. This disorder is seen primarily during the later stages of SLE Ref Davidson 23rd edition pg 533 