ロングフライト血栓 けっせん しょうでしょう
rongu furaitokessen shōdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of ロングフライト血栓症

1. Long flight thrombosis, likely.; Probably deep vein thrombosis from a long flight.

Polite
Presumptive
Conjecture