rectophobia

proc·to·pho·bi·a

(prok'tō-fō'bē-ă),
A morbid fear of rectal disease.
Synonym(s): rectophobia
[procto- + G. phobos, fear]

rectophobia

(rĕk″tō-fō′bē-ă) [″ + Gr. phobos, fear]
Acute anxiety in patients with rectal disease concerning the possibility of having cancer.