At the time of LAM diagnosis, her levels of serum autoimmune antibodies were as follows: RF, 68 IU/mL; anti-dsDNA antibody, 24 IU/mL; anti-cardiolipin antibody, 11 IU/mL; anti-SS-A antibody > 500 U/mL; and anti-SS-B antibody < 7.0 U/mL. Here, CALR is linked to lymphangioleiomyomatosis.