<prompt> Which among the following is true about Caplans syndrome?Pneumoconiosis with lymphadenopathyPneumoconiosis with CCFPneumoconiosis with HIVPneumoconiosis with rheumatoid ahritis  <response>: Caplans syndrome also known as rheumatoid pneumoconiosis or rheumatoid lung. It occurs in patients with both rheumatoid ahritis usually seropositive patients and pneumoconiosis related to mining dust coal, asbestos, and silica exposure and consists of multiple rounded nodules in the lung. Ref: Harrisons 17th ed chapter 314 ; Rheumatology and Immunology Therapy: A to Z Essentials edited by Larry W. Moreland, 2004, Page 186. 