Risk factors for de novo hepatitis B during solid cancer treatment

Table 1 Primary disease in all hepatitis B surface antigen-negative, hepatitis B core antibody- and/or hepatitis B surface antibody-positive patients

Primary disease	Cases, n
Head and neck cancer	137
Pharyngeal cancer	64
Oral cancer	23
Pharynx cancer	23
Thyroid/parotid/submandibular gland cancer	18
Tongue cancer	7
Nasal cancer	2
Colon cancer	133
Lung cancer	129
Gynecologic cancer	111
Uterine cancer	73
Ovarian cancer	38
Gastric cancer	104
Breast cancer	100
Liver cancer	89
Esophageal cancer	81
Pancreatobiliary cancer	66
Pancreas cancer	33
Bile duct cancer	33
Urological cancer	42
Renal cancer	17
Bladder cancer	14
Prostate cancer	10
Testicular cancer	1
Others	48
Unknown	19
Sarcoma	8
Neuroendocrine tumor	7
GIST	6
Malignant melanoma	4
Rare cancer	4

GIST: Gastrointestinal stromal tumor.