label: Stage I Penile Cancer AJCC v7
label_lc: stage i penile cancer ajcc v7
description: Stage I includes: T1a, N0, M0.  T1a: Tumor invades subepithelial connective tissue without lymph vascular invasion and is not poorly differentiated (i.e., grade 3-4).  cN0: No palpable or visibly enlarged inguinal lymph nodes.  pN0: No regional lymph node metastasis.  M0: No distant metastasis.  (AJCC 7th ed.)