                          ------------- ------------------------------------------- ----------------- ----------------- ----------   CN for PTV0   $0.00 \times 0.00\text{mm}$                 $0.00 \pm 0.00$   $0.00 \pm 0.00$   $< 0.00$   CN for PTV0   $0.00 \times 0.00\text{mm}$                 $0.00 \pm 0.00$   $0.00 \pm 0.00$   0.00   CN for PTV0   $0.0 \times 0.0\text{mm}$                   $0.00 \pm 0.00$   $0.00 \pm 0.00$   $< 0.00$   CN for PTV0   $0.0 \times 0.0\text{mm}$                   $0.00 \pm 0.00$   $0.00 \pm 0.00$   $< 0.00$   CN for PTV0   ${0 \times 0}\text{mm}$                     $0.00 \pm 0.00$   $0.00 \pm 0.00$   $< 0.00$   CN for PTV0   ${0 \times 0}\text{mm}$                     $0.00 \pm 0.00$   $0.00 \pm 0.00$   0.00  Values are expressed as the mean ± SD.  