diff --git a/src/getPullRequestChangedAnalyzedReport.ts b/src/getPullRequestChangedAnalyzedReport.ts
index 37a790f..b791e10 100644
--- a/src/getPullRequestChangedAnalyzedReport.ts
+++ b/src/getPullRequestChangedAnalyzedReport.ts
@@ -2,7 +2,7 @@ import getPullRequestFiles from './getPullRequestFiles'
 import getAnalyzedReport from './getAnalyzedReport'
 import type {ESLintReport, AnalyzedESLintReport} from './types'
 import constants from './constants'
-const {GITHUB_WORKSPACE, OWNER, REPO, pullRequest} = constants
+const {GITHUB_WORKSPACE, OWNER, REPO, pullRequest, onlyChangedFiles} = constants
 
 /**
  * Analyzes an ESLint report, separating pull request changed files
@@ -16,35 +16,35 @@ export default async function getPullRequestChangedAnalyzedReport(
     repo: REPO,
     pull_number: pullRequest.number,
   })
+
   // Separate lint reports for PR and non-PR files
   const pullRequestFilesReportJS: ESLintReport = reportJS.filter((file) => {
     file.filePath = file.filePath.replace(GITHUB_WORKSPACE + '/', '')
     return changedFiles.indexOf(file.filePath) !== -1
   })
-  const nonPullRequestFilesReportJS: ESLintReport = reportJS.filter((file) => {
-    file.filePath = file.filePath.replace(GITHUB_WORKSPACE + '/', '')
-    return changedFiles.indexOf(file.filePath) === -1
-  })
+
   const analyzedPullRequestReport = getAnalyzedReport(pullRequestFilesReportJS)
-  const analyzedNonPullRequestReport = getAnalyzedReport(nonPullRequestFilesReportJS)
-  const combinedSummary = `
-${analyzedPullRequestReport.summary} in pull request changed files.
-${analyzedNonPullRequestReport.summary} in files outside of the pull request.
-`
-  const combinedMarkdown = `
-# Pull Request Changed Files ESLint Results:
-**${analyzedPullRequestReport.summary}**
-${analyzedPullRequestReport.markdown}
-# Non-Pull Request Changed Files ESLint Results:
-**${analyzedNonPullRequestReport.summary}**
-${analyzedNonPullRequestReport.markdown}
-`
+  let summary = `${analyzedPullRequestReport.summary} in pull request changed files.`
+  let markdown = `# Pull Request Changed Files ESLint Results:\n**${analyzedPullRequestReport.summary}**\n${analyzedPullRequestReport.markdown}`
+
+  if (!onlyChangedFiles) {
+    const nonPullRequestFilesReportJS: ESLintReport = reportJS.filter((file) => {
+      file.filePath = file.filePath.replace(GITHUB_WORKSPACE + '/', '')
+      return changedFiles.indexOf(file.filePath) === -1
+    })
+
+    const analyzedNonPullRequestReport = getAnalyzedReport(nonPullRequestFilesReportJS)
+
+    summary += `${analyzedNonPullRequestReport.summary} in files outside of the pull request.`
+    markdown += `\n\n# Non-Pull Request Changed Files ESLint Results:\n**${analyzedNonPullRequestReport.summary}**\n${analyzedNonPullRequestReport.markdown}`
+  }
+
   return {
     errorCount: analyzedPullRequestReport.errorCount,
     warningCount: analyzedPullRequestReport.warningCount,
-    markdown: combinedMarkdown,
+    markdown,
     success: analyzedPullRequestReport.success,
-    summary: combinedSummary,
+    summary,
     annotations: analyzedPullRequestReport.annotations,
   }
 }