Radiographic Evaluation of Pulmonary Fibrosis Following Mantle Field Irradiation in Hodgkin's Disease

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Abstract
Sixty-nine patients given mantle field radiation therapy for Hodgkin''s disease and considered relapse-free and possibly cured were re-examined for pulmonary fibrosis as observed on antero-posterior and lateral chest radiographs. A method is described for the systematic evaluation of these late stage changes, which are observed following irradiation, in a numerical form. The method gave reproducible results in this series, the correlation coefficient being 0.72/0.81 and 0.73 respectively for the intraobserver and the inter-observer variations. The methods thus may facilitate comparison between different patient materials.