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The map shows a homogenous distribution of the fractional pulmonary blood volume (fPBV) within the lung parenchyma of a healthy volunteer. Small vessels as well as the aorta are distinctly displayed. The hilar region shows scattered noticeably small fPBV-values. This can be ascribed to residual pulsation artifacts near major blood vessels. Remaining diaphragmatic movement explains artifacts at the thoracic-abdominal interface.
