Table 1.

Frequency distribution of prevalent tumors.

Variable	% (Value)
N° additional tumors found in melanoma incident cases
0	95.5% (2844)
1	4.3% (129)
2	0.2% (5)
TOTAL	100% (2978)
Prevalent tumors ICD-10 code (first three characters)
Malignant neoplasm of prostate [C61]	30.2% (42)
Malignant neoplasm of breast [C50]	10.8% (15)
Malignant neoplasm of colon [C18]	7.9% (11)
Malignant neoplasm of kidney, except renal pelvis [C64]	7.2% (10)
Malignant neoplasm of bladder [C67]	5.8% (8)
Malignant neoplasm of thyroid gland [C73]	3.6% (5)
Malignant neoplasm of stomach [C16]	2.9% (4)
Malignant neoplasm of bronchus and lung [C34]	2.9% (4)
Malignant neoplasm of corpus uteri [C54]	2.9% (4)
Malignant neoplasm of small intestine [C17]	2.2% (3)
Malignant neoplasm of rectum [C20]	2.2% (3)
Malignant neoplasm of pancreas [C25]	2.2% (3)
Non-follicular lymphoma [C83]	2.2% (3)
Mature T/NK-cell lymphomas [C84]	2.2% (3)
Multiple myeloma and malignant plasma cell neoplasms [C90]	2.2% (3)
Carcinoma in situ of other and unspecified sites [D09]	2.2% (3)
Other	10.8% (15)
TOTAL	100% (139)