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(A) Predominant morphology of primary site and metastatic site. (B) Morphology component of primary site and metastatic site. ACI, acinar predominant (invasive adenocarcinoma); COL, colloid predominant (invasive adenocarcinoma); LEP, lepidic predominant; MIP, micropapillary predominant (invasive adenocarcinoma); PAP, papillary predominant (invasive adenocarcinoma); SOL, solid predominant (invasive adenocarcinoma).
