<prompt> True statement about Infraglottic carcinoma of larynx isCommonly spreads to mediastinal nodesSecond most common carcinomaMost common carcinomaSpreads to submental nodes  <response>: Subglottic cancer is the rarest of laryngeal cancer. Earliest presentation is a globus or foreign body sensation in throat followed by stridor or laryngeal obstruction. Hoarseness is a late feature and occurs due to involvement of glottis or recurrent laryngeal nerve. Lymphatic spread occurs to prelaryngeal, pretracheal, paratracheal and lower jugular nodes i.e. mediastinal nodes. 