Table 4.
Number of scientific articles retrieved and selected
| Number of articles retrieved | Number of articles selected | Number of articles retrieved manually | |||
|---|---|---|---|---|---|
| PubMed | Ichushi | PubMed | Ichushi | ||
| (1) Endoscopic treatment of colorectal cancer | 811 | 385 | 80 | 40 | 39 |
| (2) Treatment of Stage 0 to Stage III colorectal cancer | 469 | 285 | 92 | 14 | 12 |
| (3) Treatment of Stage IV colorectal cancer | 237 | 102 | 97 | 14 | 13 |
| (4) Treatment of liver metastases of colorectal cancer | 812 | 357 | 364 | 79 | 25 |
| (5) Treatment of lung metastases of colorectal cancer | 96 | 157 | 46 | 35 | 6 |
| (6) Treatment of recurrent colorectal cancer | 688 | 302 | 147 | 29 | 13 |
| (7) Adjuvant chemotherapy for colorectal cancer | 639 | 228 | 209 | 32 | 41 |
| (8) Chemotherapy for advanced or recurrent colorectal cancer | 762 | 149 | 254 | 44 | 154 |
| (9) Adjuvant radiotherapy for colorectal cancer | 447 | 95 | 115 | 8 | 27 |
| (10) Palliative radiotherapy for colorectal cancer | 708 | 39 | 109 | 6 | 29 |
| (11) Palliative care for colorectal cancer | 278 | 181 | 58 | 18 | 10 |
| (12) Surveillance after surgery for colorectal cancer | 1,446 | 1,287 | 256 | 57 | 20 |
| Total | 7,393 | 3,567 | 1,837 | 376 | 389 |