Sentence 1: Chronic ischemia was first described in 1895 , while chronic disease was first described in the 1940s : the acute mesenterial disease was initially known as angina abdominis .
Sentence 2: Acute mesenteric ischemia was first described in 1895 while chronic disease was first described in the 1940s . Chronic disease was initially known as angina abdominis .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?