4573
Of the 83 cases of VTE associated with use of combined OCs , 43 were recorded as deep - vein thrombosis , 35 as pulmonary thrombosis , and five as venous thrombosis not otherwise specified .
 Disease: VTE; Chemical: OCs; Disease: deep - vein thrombosis; Disease: thrombosis; Disease: venous thrombosis
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: VTE; Chemical: OCs; Disease: deep - vein thrombosis; Disease: thrombosis; Disease: venous thrombosis