ass="op">&lt;-</span> <span class="kw">function</span><span class="op">(</span><span class="va">input</span>, <span class="va">tissue_name</span>, <span class="va">model</span>, <span class="va">api_key</span><span class="op">)</span> <span class="op">{</span></span>
<span>  <span class="co"># Function implementation</span></span>
<span>  <span class="va">results</span> <span class="op">&lt;-</span> <span class="fu">process_markers</span><span class="op">(</span><span class="va">input</span>, top_n <span cl