72 yr old woman with 3 day hx of bright red rectal bleeding + 7 yrs ago had mild diverticular disease + EF of 15% + appears healthy + S3 + TTP on LLQ with minimal guarding + small amount of blood + afebrile + BP 90/65 What is the likely diagnosis?
A) Acute diverticulitis
B) Colorectal cancer
C) Gastrointestinal bleeding from other source
D) Hemorrhoids