title: Critical commentary to: Primary poorly differentiated monophasic synovial sarcoma of the lung.
authors.forename: Louis R
authors.initials: LR
authors.lastname: Bégin
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis*; D013584:Sarcoma, Synovial / Q000175:diagnosis*