\documentclass[12pt]{standalone}
\usepackage{tikz}
\usetikzlibrary{positioning}
\begin{document}
\begin{tikzpicture}
\node[align=left] (top_node) at (0,0){<<title>> \\ Key: <<keystem>> $\vert$ <<keyleaf>> = <<keyvalue>>};
\node[below=of top_node,yshift=10mm] {
\begin{tabular}{r|l@{\hspace{4 pt}}}
Stem & Leaf\\
\hline
<<data>>
\end{tabular}};
\end{tikzpicture}
\end{document}