This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
'Shrinking lung' is a feature of 
Select and explain. 
A. Rheumatoid ahritis, B. SLE, C. Systemic scleoris, D. Polymyosities
B: SLE
Answer: B: SLE 
Explanation: 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