pleural thickening lung cancerthickening of lung liningright pleural thickeningpleural parenchymal thickeningbiapical pleural thickeningchronic pleural thickeningthickening of lung wallspleural thickening asbestosresidual pleural thickeningcalcified pleural thickeningbilateral pleural thickeningdiffuse pleural thickening
