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Two representative clinical cases: HRCT images (left), HRCT lung histograms (centre), pulmonary function tests and quantitative parameters (right): (a) Patient affected by moderate idiopathic pulmonary fibrosis (IPF), (b) Patient with more severe evidence of IPF. Forced vital capacity (FVC), diffusion capacity for carbon monoxide (DLCO), PFF, NL, HAA, LAA, and HAA_A parameters are expressed in percentage values while kurtosis is expressed in absolute value.
