<prompt> Eggshell calcification is unlikely in which of the following conditionSilicosisCoal workers pneumoconiasisCastleman diseaseScleroderma  <response>: In the mediastinum and thorax Silicosis: 5 patients Treated lymphoma: postirradiation Hodgkin disease usually 1-9 years following treatment Coal worker;s pneumoconiosis CWP: 1 patients Sarcoidosis: calcification is uncommon only 5 of patients and occurs late in the disease; only rarely does it have an eggshell configuration Scleroderma and Amyloidosis: rare Blastomycosis e.g. pulmonary blastomycosis: rare Histoplasmosis e.g. pulmonary histoplasmosis: rare 