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Table 1 Demographics.

From: Angiogenesis in cancer of unknown primary: clinicopathological study of CD34, VEGF and TSP-1

Characteristic No (%)
Patients 81  
Sex   
   Male 39 48
   Female 42 52
Age (Years)   
   Median 66  
   Range 37–84  
PS   
   Median 1  
   Range 0–3  
Histology   
   Adenocarcinoma 62 77
Well- and moderately differentiated 27 43
Poorly differentiated 35 57
   Undifferentiated carcinoma 15 18
With neuroendocrine features 5 33
Other undifferentiated neoplasms 11 67
   Squamous cell carcinoma 4 5
Metastatic sites at presentation   
   Liver and/or multiple visceral involvement 17 21
   Lymph nodes 23 29
Mediastinal-retroperitoneal 17 74
Axillary 2 9
Cervical 4 17
   Peritoneal cavity 19 23
Peritoneal adenocarcinomatosis in females 14 74
Malignant ascites and other site 5 26
   Lung 5 6
   Bones 5 6
   Brain 4 5
   Neuroendocrine tumors 4 5
   Multiple 4 5