Our study involved reviewing the HRCT results of 20 known RA patients which were referred to the radiology department of kasr Al-Aini. Using HRCT findings we were able to detect the forms of pulmonary involvement in these patients which mainly took 2 forms: either airway disease in the form of hyperinflation, bronchiectasis, mosaic perfusion, and bronchial wall thickening or ILD in the form of GGO, reticulations, and cysts We concluded that the role of HRCT imaging in the evaluation and diagnosis of patients with intra-thoracic