 It is a well defined nodule of single/separate, closely/densely packed, back-to-back gland pattern that does not invade into adjacent healthy prostatic tissue.
<fluency>  It is a well defined nodule of single/separate, closely/densely packed, back-to-back gland pattern that does not invade into adjacent healthy prostatic tissue.
 It is a well-defined nodule of single/separate, closely/densely packed, back-to-back gland pattern that does not invade into adjacent healthy prostatic tissue.