53 years old patient was diagnosed with malignant epithelial tumor of pericardium. Epithelium of which type does it originate from?

53 years old patient was diagnosed with malignant epithelial tumor of pericardium. Epithelium of which type does it originate from?

1.  Pseudostratified ciliated


2.  Transitional


3.  Stratified squamous keratinized


4.  Stratified squamous nonkeratinized


5.  *Simple squamous