Clinical data

Patient/Age (y)	Diagnosis^*	Indication for PDT	Tumor Volume (mL)	Treatment of Spheres (n)	Repeat PDT	Survival after First PDT (wk)^†
1/53	Neck node metastasis of tongue SCC	Brachial plexus pain	10	4	No	72
2/60	SCC, base of tongue	Pain	33	8	No	72
3/76	Adenoid cystic carcinoma, maxillary antrum	Nasal obstruction, epistaxis	65	16	At 27 and 51 wk	83
4/45	SCC floor of mouth	Aphonia	24	12	No	24
5/39	Spindle cell carcinoma of cheek^‡	Pain, debulking	11	6	At 15 wk	60
6/51	SCC of branchial cyst	Swelling, pain	37	12	At 33 and 57 wk	72
7/69	SCC neck node metastasis	Dysphagia	81	16	No	12
8/54	Hemangiopericytoma submandibular area^‡	Debulking, dysphagia	106	32	No	16
9/42	Adenoid cystic carcinoma, parotid	Pain, debulking	13	8	No	Alive at 158 wk
10/50	SCC, tongue	Debulking	58	12	No	1^§
11/54	SCC, tonsil	Debulking	122	20	No	18
12/68	SCC, tongue	Pain	41	7	No	38
13/61	SCC, external ear	Debulking	65	16	No	66
14/39	Neuroectodermal tumor, face and neck^‡	Debulking	177	32	No	8

* SCC = squamous cell carcinoma.
† Although survival in patients with adenoid cystic carcinoma can be prolonged, expected survival for those with recurrent squamous cell carcinoma is about 2 months.
‡ Survival of rarer tumors is difficult to predict.
§ Died from accidental morphine overdose.