Which of the following statements are true?
a) Aspiration pneumonia is common in patients with polymyositis
b) Pleural effusions are commonly seen in systemic sclerosis
c) There is a higher incidence of lymphocytic interstitial pneumonia in patients
with Sjogren’s syndrome
d) Relapsing polychondritis results in thickening of the tracheal wall on CT
e) Pulmonary’ involvement does not occur in CREST syndrome

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