Fig. 4From: Quantitative pulmonary blood flow measurement using 15O-H2O PET with and without tissue fraction correction: a comparison studyHRCT image (a), PBF image without TF correction (b), PBF image with TF and blood volume correction (c) of apical area and those of basal area (d-f) in patient 9, who had left lower lobe lung cancer and emphysematous changesBack to article page