PGC and lung adenocarcinoma: When TPM=“median value” was used as the cut‐off value, PGC was highly expressed in hepatocellular carcinoma, colon adenocarcinoma, rectum cancer, and cholangiocarcinoma; and lowly expressed in lung squamous cell carcinoma, lung adenocarcinoma, kidney chromophobe, and kidney renal papillary cell carcinoma.