Table 4 Most frequently cited topics of investigation (numbers do not add up to 100 as there are different combinations of topics in the articles)
Topic | Number of articles |
|---|---|
Accuracy of staging | 63 |
Comparison of imaging modalities | 29 |
Lymph node metastases | 15 |
Treatment response | 14 |
Review of staging | 9 |
Imaging features of malignancy | 9 |
Prognosis | 7 |
Distant metastases | 5 |
Treatment planning | 4 |
Early cancer | 3 |
Cost-effectiveness | 1 |
Restaging | 1 |
Staging recurrent cancer | 1 |
Correlation with tumour markers | 1 |
Synchronous tumours | 1 |
Texture analysis | 1 |