hi, just want to ask about SCC well differentiated. my mother was diagnosed with SCC well differentiated of the right lateral of tongue. she had her surgery last Aug 20, 2012 removal of lesion on her tongue and removal of lymph node at submandibular region. the result of her biopsy of the tongue and lymph node is SCC well diff .6 cm depth of penetration, 2 planes resection (+), basal plane (-) with metastasized in 1/2 lymph node.. can you please tell what is stage of my mother and what is her prognosis.The doctor told us it was Stage 3.