•
The differential diagnosis must be made taking with a second primary cancer,
particularly if curative treatment can be proposed.
•
The rate of synchronous pulmonary tumors is around 4%
•
The overall incidence of metachronous second primary cancers is 2% per year.
Lung metastases: surgery ?
Ghosh et al Head Neck 2009, Laccourreye et al Ann Otol Rhinol Laryngol. 2002