What's the plural form of deep vein thrombosis? Here's the word you're looking for.
Answer
The noun deep vein thrombosis can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be deep vein thrombosis.
However, in more specific contexts, the plural form can also be deep vein thromboses e.g. in reference to various types of deep vein thromboses
or a collection of deep vein thromboses.