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Same axial slice of a patient in our cohort shown for tumoral and peritumoral region of interests (ROIs), i.e., visual extent of the primary tumor (A, GTV), 0.8 cm expansion into lung tissue region inside the lung (B, lung_exterior), 0.8 cm expansion into lung and soft tissue (C, iso_exterior), 0.4 cm contraction and 0.8 cm expansion from the GTV (D, gradient), and primary tumor including iso_exterior (E, GTV+Rim).
