Code review
(cherry picked from commit b0167f39785511cf0f6dfeee83c9a555ac1b9c53)
Styles
(cherry picked from commit 6d7ce1d99b3892c29f0c827e07926ac459b73fd2)
Added descriptions about prognosis
(cherry picked from commit fc82d7c4318a2a203a11705a8103a63d6b9d494e)