Table 2.

Modalities of reporting tumour burden.

Characteristics	No.	%
Reporting of low-burden disease
Yes	20	28.6
No	50	71.4
Identification modality
No. of metastatic sites	19	27.1
Tumour diameter	1	1.4
Not reported	50	71.4
Disease extent as a stratification factor
Yes	18	25.7
No	52	74.3
Low-burden disease per treatment arm
Yes	19	27.1
No	51	72.9
Reporting of oligo-metastatic disease
Yes	0	0
No	70	100
Subgroup analysis according to disease extent
Yes	13	18.6
No	57	81.3