Figure 1From: Is it useful to combine sputum cytology and low-dose spiral computed tomography for early detection of lung cancer in formerly asbestos-exposed power industry workers?Flow chart for processing the findings of the low-dose spiral computed tomography of the thorax. aLDSCT = low-dose spiral computed tomography, bNon calcified nodules 6 - ≤10 mm, c3, 6 or 12 month follow-up with LDSCT, depending on size of nodule.Back to article page