<prompt> Shrinking lung is a feature ofSLERheumatoid ahritisSarcoidosisScleroderma  <response>: Shrinking lung syndrome SLS is an uncommon feature of systemic lupus erythematosus SLE characterized by dyspnea, pleuritic chest pain, diaphragmatic elevation, restrictive ventilatory defect and reduced respiratory muscle strength as measured by volitional tests. Ref - pubmed.com 