Table 2.

Median follow-up periods for the second primary cancers included in the meta-analysis

Second cancer	Median follow-up years (IQR)
Urinary bladder	4.2 (3.8–12.1)
Brain	12.1
Breast	4.2 (3.8–12.1)
Cervix	5.7
Female genital	4.0 (3.5–16.8)
Gallbladder	7.3
Kidney	4.2 (3.8–12.1
Leukaemia	12.1
Liver, hepatic duct, and biliary	4.0 (3.5–7.3)
Lung, bronchus, and mediastinum	4.2 (3.8–12.1)
Melanoma	4.1 (3.9–9.7)
Myeloma	5.8
Non-Hodgkin lymphoma	10.5
Oesophagus	5.7 (3.6–14.4)
Ovary	7.3 (4.0–16.8)
Pancreas	4.1 (3.5–9.7)
Prostate	4.2 (3.8–12.1)
Small intestine	4.2 (3.5–7.3)
Stomach	4.2 (3.8–12.1
Thyroid	7.0 (4.0–7.3)
Upper aerodigestive tract	7.3 (3.5–16.8)
Uterus	4.2 (3.8–12.1)