Research Article

The Influence of Radiological “Disappearing Lesions” on the Efficacy and Prognosis of Patients with Colorectal Liver Metastases Undergoing Conversion Therapy

Table 1

Baseline characteristics of patients corresponding single DLM.

CharacteristicsNo. 301

Sex
 Male161 (53.5%)
 Female140 (46.5%)
Age () (year)
BMI preoperative () (kg/m2)
CEA preoperative () (ng/ml)
CA 19-9 preoperative () (u/ml)
Tumor site
 Colon175 (58.1%)
 Rectum126 (41.9%)
Simultaneous/metachronous liver metastases
 Simultaneous263 (87.4%)
 Metachronous38 (12.6%)
Extrahepatic metastasis
 Yes136 (45.2%)
 No165 (54.8%)
Conversion therapy regimens
 Chemotherapy alone162 (53.8%)
 Targeted therapy alone10 (3.3%)
Chemotherapy combined targeting129 (42.9%)
Lymph node metastasis
 Yes136 (45.2%)
 No66 (21.9%)
 Data loss99 (32.95%)
Site of liver metastases
 S16 (2.0%)
 S224 (8.0%)
 S325 (8.3%)
 S434 (11.3%)
 S540 (13.3%)
 S641 (13.6%)
 S757 (18.9%)
 S874 (24.6%)
Size of liver metastases
 <5 mm30 (10.0%)
 5-10 mm100 (33.2%)
 >10 mm171 (56.8%)

Note: Variables are expressed as the or (%). Abbreviations: DLM: disappearing liver metastasis; BMI: body mass index; CEA: carcinoembryonic antigen; CA 19-9: carbohydrate antigen 199.