. 2022 Nov 15;38:123–129. doi: 10.1016/j.ctro.2022.11.008

Table 1.

Basic OMD case characteristics.

Parameters	Data (n = 787)*
Age at primary diagnosis, median (IQR)	65 (56–73)
Female gender, n (%)	287 (36)

Occurrence of OMD, n (%)
• Synchronous	179 (23)
• Metachronous	586 (74)
• Unknown	20 (3)

Primary tumors, n/n (%)
• Lung and pleura¹	231 (29)
• Skin²	160 (20)
• Prostate	84 (11)
• Head & neck	68 (9)
• Breast	63 (8)
• Colorectal	48 (6)
• Pancreas, liver, and gallbladder	44 (6)
• Genitourinary	35 (4)
• Upper GIT	16 (2)
• CUP	10 (1)
• Other³	28 (4)

Frequency of number of distant metastases
1. distant metastasis	360 (46)
2. distant metastases	197 (25)
3. distant metastases	95 (12)
4. distant metastases	83 (11)
5. distant metastases	52 (7)

Abbreviations: CUP = Cancer of unknown primary; GIT = Gastrointestinal tract; IQR = Interquartile range; OMD = Oligometastatic disease.

*We previously reported on 601 individual OMD patients. In the present study, we included repeat OMD scans into our assessment, hence the data on these OMD cases varies slightly from our previous publication [25].

¹Includes small-cell lung cancer (SCLC), non-small cell lung cancer (NSCLC) and mesothelioma; ²includes melanoma, squamous cell carcinoma as well as rare skin cancers.