Which of the the following is true about adenoid cystic carcinoma :

Adenoid cystic carcinoma: Most common malignant tumor in submandibular, sublingual and minor salivary glands Most common site is hard palate > sinonasal tract Most common site of metastasis is lungs AKA - Tracherous tumor - tumor is malignant but appear benign Most common type is- Cribriform variety - has swiss cheese pattern Has neurotrophic propey -Most commonly involved nerve is Facial nerve > trigeminal Tumor invades Haversian system of long bones Treatment: Excision with widest cuff of normal tissue Post operative - Prevent recurrence