Text: they think they are being strategic and shrewd.

Correct capitalization: They think they are being strategic and shrewd.

Text: due to the lack of bile, stools are light-colored.

Correct capitalization: Due to the lack of bile, stools are light-colored.

Text: fighting at dynasty street. the character is a stick-man but the action look...

Correct capitalization: Fighting at Dynasty Street. The character is a stick-man but the action look...

Text: a computed tomography (ct) and/or magnetic resonance imaging (mri) can further detail a mass and enable the most sensitive detection of the cancer's spread in the body.

Correct capitalization:
A computed tomography (CT) and/or magnetic resonance imaging (MRI) can further detail a mass and enable the most sensitive detection of the cancer's spread in the body.