CALR and synovial sarcoma: The 2016 American College of Rheumatology (ACR)–European League Against Rheumatism (EULAR) criteria for SS include symptoms of oral and/or ocular dryness or extra glandular manifestation along with object indicators including a minor salivary gland biopsy showing lymphocytic infiltration, anti-Ro antibodies, positive ocular staining score, reduced Schirmer's test, and/or reduced unstimulated salivary flow [5].