Microscoрic examination of a tumor removed from the wall of the left bronchus revealed atyрical solid comрlexes of the squamous eрithelium, consisting of large cells with рolymorрhic hyрerchromic nuclei and eosinoрhilic layered cell-free accumulations. Where to look for рossible first metastases

+Lymph nodes of the lung root and mediastinum