Table 1. Demographic and baseline patient characteristics.

Demographic or baseline characteristic	Intention to treat/safety (n=24)
Sex (n and % of patients)
Male	14 (58.3)
Female	10 (41.7)
Age (years)
Mean (s.d.)	64.3 (11.8)
Range	39–83
Race (n and % of patients)
Caucasian	20 (83.3)
Black	3 (12.5)
Other	1 (4.2)
Site of target lesion (n and % of patients) CT scans were used in all cases, spiral CT for 10 patients
Colorectal	2 (8.3)
Liver	12 (50.0)
Local/regional/staging lymph nodes	1 (4.2)
Distant metastatic lymph nodes	2 (8.3)
Lung	4 (16.7)
Peritoneum	1 (4.2)
Small bowel	1 (4.2)
Stomach	3 (12.5)
Others (e.g., pericardial effusion)	3 (12.5)
Longest diameter (cm) of target lesion
Mean (s.d.)	5.23 (3.56)
Non-target lesions present (n and % of patients)	11 (45.8)
Prior therapy (n and % of patients)
Chemotherapy	24 (100)
Radiotherapy	7 (29.2)
Other cancer therapy	10 (41.7)
WHO performance status (n and % of patients)
Normal activity	11 (45.8)
Restricted activity	12 (50.0)
In bed ⩽50% of the time	1 (4.2)

CT=computerised tomography; WHO=World Health Organization.