\begin{table}[t]
\centering
\scriptsize
\caption{Ablation on the linear branch and inter-node edges. Values are reported as mean\textsubscript{std} over 5-fold cross-validation (\%).}
\label{tab:ablation_linear_branch}
\setlength{\tabcolsep}{2.8pt}
\renewcommand{\arraystretch}{1.2}
\begin{tabular}{l|cc|cc|cc|cc}
\toprule
\multirow{2}{*}{\textbf{Setting}} 
& \multicolumn{2}{c|}{\textbf{Appendiceal Cancer}} 
& \multicolumn{2}{c|}{\textbf{TCGA-NSCLC}}
& \multicolumn{2}{c|}{\textbf{TCGA-ESCA}} 
& \multicolumn{2}{c}{\textbf{BRACS}} \\
& \textbf{BAcc} & \textbf{AUC} 
& \textbf{Acc} & \textbf{AUC} 
& \textbf{Acc} & \textbf{AUC} 
& \textbf{BAcc} & \textbf{AUC} \\
\midrule
w/o Inter-node Edges &
88.95\textsubscript{6.71} & \textbf{96.52}\textsubscript{3.08} &
93.11\textsubscript{0.59} & \textbf{97.94}\textsubscript{0.74} &
97.38\textsubscript{2.43} & 99.82\textsubscript{2.20} &
31.29\textsubscript{2.89} & 75.34\textsubscript{1.63} \\
w/o Linear Branch 
& 87.08\textsubscript{6.77} & 93.79\textsubscript{3.56}
& 92.70\textsubscript{1.60}   & 97.08\textsubscript{1.66}
& 93.51\textsubscript{3.49}   & 99.29\textsubscript{0.60}
& 29.41\textsubscript{4.11}   & 74.66\textsubscript{3.89} \\
\rowcolor{gray!15}
\textbf{ResGAT}
& \textbf{92.56}\textsubscript{6.36} & 96.41\textsubscript{1.94}
& \textbf{93.51}\textsubscript{0.75} & 97.15\textsubscript{1.47} 
& \textbf{98.02}\textsubscript{1.62} & \textbf{99.91}\textsubscript{0.17}
& \textbf{33.76\textsubscript{6.07}} & \textbf{77.61\textsubscript{0.95}}  \\
\bottomrule
\end{tabular}

\end{table}
