code: def biopax_process_pc_pathsbetween():
      
      if request.method == 'OPTIONS':
          return {}
      response = request.body.read().decode('utf-8')
      body = json.loads(response)
      genes = body.get('genes')
      bp = biopax.process_pc_pathsbetween(genes)
      return _stmts_from_proc(bp)
docs: Process PathwayCommons paths between genes, return INDRA Statements.