CALR and synovial sarcoma: Studies in SjD and non-SS salivary glands have demonstrated adipocyte infiltration into IL-6-rich areas (including IL-6-positive adipocytes) of the labial salivary gland of SjD subjects, especially those with anti-Ro60/SS-A and/or La/SS-B autoantibodies and a minor SG biopsy focus score ≥ 1.