At the time of pneumonia, RA was in remission (DAS28VSG 2.1) without leukopenia or neutropenia (total leucocytes 6900× mm3, and total neutrophils 6430× mm3) but severe lymphopenia (130× mm3) and mild thrombocytopenia (total platelets 129,000× mm3), ESR 2 mm/hour, CRP 46.1 mg/L. Here, CRP is linked to rheumatoid arthritis.