TABLE 2

Distribution of UICC-Equivalent Relapse Stages According to Upfront Imaging Strategy

StageCXR/MRICCT*/MRIPET/CT
Localized44 (40%)27 (25%)23 (21%)
 Stage 06 (5%)5 (5%)1 (1%)
 Stage I22 (20%)13 (12%)14 (13%)
 Stage II16 (15%)9 (8%)8 (7%)
Locally advanced59 (54%)48 (44%)50 (45%)
 Stage III20 (18%)13 (12%)13 (12%)
 Stage IVA35 (32%)31 (28%)32 (29%)
 Stage IVB4 (4%)4 (4%)5 (4%)
Metastatic (stage IVC)7 (6%)35 (31%)37 (34%)
  • * Extracted from PET/CT.

  • Same MRI was used for staging with CXR or CCT.

  • Based on upfront imaging, but subsequently histologically verified as HNSCC.