The significant association of pemphigus with esophageal (adjusted OR = 3.8; 95% CI = 1.2–12.3) and laryngeal (adjusted OR = 2.1; 95% CI = 1.0–4.3) cancer and chronic leukemia (adjusted OR = 2.0; 95% CI = 1.1–3.7) persisted, whereas the associations with multiple myeloma and non-Hodgkin lymphoma fell short of significance ( Kridin et al., 2018c , 2018d ).
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