6.1. Need for the study:

Regional Lymph Nodes pN: Conditionally required if nodes are present ... ___ Head and neck (specify site, if known): _____ ... is encouraged. Appropriate workup for recurrent sarcoma usually includes cross-sectional imaging (computed tomography [CT] scan or magnetic resonance imaging [MRI] scan) of the tumor, a CT scan of the chest, and a ... ................
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