TABLE 2:

Characteristics of regional nodal metastases

Patient (No.)StageNodal LevelMR Imaging Time PointsPercentage Measurement Error, %
1N0None0*None
2N2cL II/III414, 13, 11, 11
3N2bR II52, 1, 3, 9, 31
4N2cR II/III32, 7, 3
5N2cR II/III31, 2, 10
6N2bL II-IV41, 1, 3, 8
7N2cR II/III314, 26, 4
8N2aR II35, 1, 4
9N2bR II44, 12, 0, 11
10N2bR II/III23, 30
11N2aL II34, 1, 1
12N3R II317, 16, 27*
13N2bR II33, 17, 17
14N2cL II44, 16, 13, 19
15N3R I-V33, 7, 20
16N2bR II34, 9, 37
17N2cL II/III39, 6, 4
  • * No nodal metastases.

  • Percentage measurement error was greater than 20% because of small absolute differences in the volume measurements of small lesions.

  • Percentage measurement error was greater than 20% because of inaccuracies in the volume measurements due to patient motion.