Table 1.
Clinicopathologic features of 588 samples.
| Category | Variables | Number of Cases (n = 588, %) |
|---|---|---|
| Age (years) | Mean ± SD (Range, median) | 58.26 ± 11.84 (18–87, 59) |
| Sex | Female | 230 (39.1) |
| Male | 358 (60.9) | |
| Source of tissue | Our institute | 534 (90.8) |
| Other institutes | 54 (9.2) | |
| Paraffin block age (days) | Mean ± SD (Range, median) | 250.72 ± 439.11 (2–3536, 53) |
| Pathologic diagnosis | Gastric cancer | 153 (26.0) |
| Tubular adenocarcinoma | 48 | |
| Poorly cohesive carcinoma | 97 | |
| Papillary adenocarcinoma | 2 | |
| Mucinous adenocarcinoma | 2 | |
| Medullary carcinoma with lymphoid stroma | 1 | |
| Squamous cell carcinoma | 1 | |
| Neuroendocrine carcinoma | 1 | |
| Mixed neuroendocrine-nonneuroendocrine neoplasm | 1 | |
| Colorectal cancer | 143 (24.3) | |
| Adenocarcinoma | 140 | |
| Mucinous adenocarcinoma | 1 | |
| Undifferentiated carcinoma | 1 | |
| Neuroendocrine carcinoma | 1 | |
| Malignant melanoma | 20 (3.4) | |
| Cutaneous | 3 | |
| Acral and subungal | 8 | |
| Mucosal | 8 | |
| Unknown | 1 | |
| GIST * | 8 (1.4) | |
| Small intestine | 5 | |
| Stomach | 1 | |
| Extragastrointestinal | 2 | |
| Hepatobiliary carcinoma | 88 (15.0) | |
| Cholangiocarcinoma | 47 | |
| Hepatocellular carcinoma | 11 | |
| Combined hepatocellular carcinoma and cholangiocarcinoma | 2 | |
| Adenocarcinoma, NOS | 19 | |
| Adenosquamous carcinoma | 2 | |
| Intracystic papillary neoplasm with associated invasive carcinoma | 1 | |
| Carcinoma, undifferentiated, NOS | 4 | |
| Neuroendocrine carcinoma, NOS | 1 | |
| Epithelioid hemangioendothelioma | 1 | |
| Pancreas carcinoma | 52 (8.8) | |
| Ductal adenocarcinoma | 47 | |
| Undifferentiated carcinoma with osteoclast-like giant cells | 2 | |
| Acinar cell carcinoma | 1 | |
| Neuroendocrine tumor, NOS | 2 | |
| Small intestine carcinoma | 14 (2.4) | |
| Adenocarcinoma, NOS | 14 | |
| Kidney and Genitourinary tract cancer | 16 (2.7) | |
| Infiltrating urothelial cell carcinoma | 15 | |
| Renal cell carcinoma | 1 | |
| Mesenchymal tumor | 69 (11.7) | |
| Alveolar soft part sarcoma | 2 | |
| Angiosarcoma | 5 | |
| Chondrosarcoma | 1 | |
| Clear cell sarcoma | 1 | |
| Dedifferentiated liposarcoma | 14 | |
| Epithelioid sarcoma | 2 | |
| Ewing sarcoma | 5 | |
| Extraskeletal myxoid chondrosarcoma | 2 | |
| Intimal sarcoma | 1 | |
| Leiomyosarcoma | 12 | |
| Malignant peripheral nerve sheath tumor | 1 | |
| Malignant perivascular epithelioid cell neoplasm | 1 | |
| Mesenchymal chondrosarcoma | 1 | |
| Myxofibrosarcoma | 1 | |
| Myxoid liposarcoma | 3 | |
| Osteosarcoma | 1 | |
| Primary intimal sarcoma | 1 | |
| Rhabdomyosarcoma | 1 | |
| Solitary fibrous tumor | 4 | |
| Synovial sarcoma | 1 | |
| Undifferentiated pleomoprhic sarcoma | 2 | |
| Undifferentiated pleomorphic sarcoma | 4 | |
| Undifferentiated spindle cell sarcoma | 2 | |
| Well differentiated liposarcoma | 1 | |
| Female genital tract cancer | 6 (1.0) | |
| Ovarian serous carcinoma | 2 | |
| Squamous cell carcinoma, uterine cervix | 1 | |
| Endometrioid adenocarcinoma, uterine corpus | 1 | |
| Endometrial stromal sarcoma | 1 | |
| Adenosarcoma, uterine corpus | 1 | |
| Lung cancer | 12 (2.0) | |
| Adenocarcinoma | 6 | |
| Mucinous adenocarcinoma | 2 | |
| Squamous cell carcinoma | 2 | |
| Combined large cell neuroendocrine carcinoma | 1 | |
| Small cell neuroendocrine carcinoma | 1 | |
| Other carcinoma | 7 (1.2) | |
| Adrenocortical carcinoma | 2 | |
| Extramammary Paget disease | 1 | |
| Appendiceal goblet cell adenocarcinoma | 1 | |
| Appendiceal signet ring cell adenocarcinoma | 1 | |
| Mucinous adenocarcinoma of retroperitoneum | 1 | |
| Unknown primary | 1 | |
| Primary vs. metastasis | Primary | 478 (81.3) |
| Metastasis | 110 (18.7) | |
| Specimen type | Biopsy | 289 (49.1) |
| Resection | 299 (50.9) |
Abbreviations: SD, standard deviation; GIST, gastrointestinal stromal tumor; * Negative.