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Table 2 Characteristics of newly diagnosed male cancer patients with prior cancer

From: Increasing trends in the prevalence of prior cancer in newly diagnosed lung, stomach, colorectal, breast, cervical, and corpus uterine cancer patients: a population-based study

Index Cancer Site Lung Stomach Colorectum
N % N % N %
Total 4628 100 5800 100 3841 100
Number of prior cancers before the index cancer
 1 4100 88.6 5256 90.6 3457 90.0
 2 481 10.4 507 8.7 343 8.9
 3 44 1.0 35 0.6 39 1.0
 4 2 0.0 2 0.0 1 0.0
 5 1 0.0 0 0.0 1 0.0
Diagnostic time intervala
  < 3 months 741 16.0 1687 29.1 1240 32.3
 3 months–1 year 555 12.0 656 11.3 428 11.1
 1–5 years 1916 41.4 2006 34.6 1232 32.1
 5–10 years 988 21.3 1017 17.5 641 16.7
 10–15 years 428 9.2 434 7.5 300 7.8
Stage of prior cancerb
 Localized 2941 63.5 3320 57.2 2308 60.1
 Regional lymph nodes 455 9.8 650 11.2 350 9.1
 Regional extension 528 11.4 797 13.7 501 13.0
 Distant metastasis 229 4.9 453 7.8 325 8.5
 Other or unknown 475 10.3 580 10.0 357 9.3
Treatment of prior cancerb
 Radiotherapy only 185 4.0 265 4.6 152 4.0
 Chemotherapy only 252 5.4 438 7.6 310 8.1
 Chemoradiotherapy 148 3.2 296 5.1 141 3.7
 Surgery only 1986 42.9 2246 38.7 1468 38.2
 Surgery plus chemotherapy or radiotherapy 631 13.6 893 15.4 535 13.9
 Other or unknown 1426 30.8 1662 28.7 1235 32.2
Site of prior cancerb
 Mouth and pharynx 209 4.5 254 4.4 137 3.6
 Esophagus 236 5.1 646 11.1 172 4.5
 Stomach 1290 27.9 1302 33.9
 Colon 543 11.7 970 16.7
 Rectum 342 7.4 602 10.4
 Liver 234 5.1 570 9.8 278 7.2
 Gallbladder and bile duct 40 0.9 75 1.3 56 1.5
 Pancreas 45 1.0 69 1.2 35 0.9
 Larynx 172 3.7 198 3.4 90 2.3
 Lung 591 10.2 386 10.0
 Melanoma of skin 4 0.1 7 0.1 4 0.1
 Other skin 73 1.6 67 1.2 66 1.7
 Mesothelioma 4 0.1 7 0.1 9 0.2
 Prostate 687 14.8 924 15.9 646 16.8
 Bladder 265 5.7 281 4.8 213 5.5
 Renal and urinary tract 164 3.5 185 3.2 172 4.5
 Brain and central nervous system 5 0.1 8 0.1 7 0.2
 Thyroid 38 0.8 42 0.7 38 1.0
 Hodgkin lymphoma 12 0.3 4 0.1 8 0.2
 Non-Hodgkin lymphoma 118 2.5 142 2.4 97 2.5
 Immunoproliferative diseases 1 0.0 1 0.0 0 0.0
 Myeloma 18 0.4 19 0.3 17 0.4
 Lymphoid leukemia 13 0.3 11 0.2 8 0.2
 Myeloid leukemia 13 0.3 17 0.3 14 0.4
 Leukemia unspecified 0 0.0 0 0.0 1 0.0
 Others 102 2.2 110 1.9 85 2.2
  1. Values are expressed as the number of patients and column percentage
  2. aInterval between the diagnostic dates of the most recent prior cancer and index cancer
  3. bMost recently diagnosed prior cancer