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. 2024 Mar 25;16:47. doi: 10.1186/s13148-024-01657-3

Table 3.

Distribution of primary tumor sites in the reference cohort

Primary tumor site Number of samples
Esophagus 95
Larynx 117
Lung 405
Lymphoma 48
Oral cavity 320
Oropharynx 81
Skin 37
Overall 1103