Nine primary malignant neoplasms-involving the esophagus, stomach, colon, rectum, prostate, and external ear canal-without microsatellite instability: a case report

Table 1 Clinicopathologic characteristics of the patient

Age	Organ	Treatment	Histology	TNM stage^a
67	Esophagus 1	ESD	Squamous cell carcinoma	TisN0M0
67	Esophagus 2	ESD	Squamous cell carcinoma	TisN0M0
67	Stomach 1	ESD	Well differentiated adenocarcinoma	TisN0M0
69	Ear canal	Surgical resection	Squamous cell carcinoma	T2N0M0
72	Esophagus 3	ESD	Squamous cell carcinoma	T1N0M0
72	Rectum	Surgical resection	Moderately differentiated adenocarcinoma	T2N0M0
73	Stomach 2	ESD	Well differentiated adenocarcinoma	T1N0M0
73	Prostate	Observation	Well differentiated adenocarcinoma	T1N0M0
73	Colon	Surgical resection	Well differentiated adenocarcinoma	T4N0M0

ESD: endoscopic submucosal dissection
^aStaging was performed according to the Union for International Cancer Control TNM Classification of Malignant Tumors (7th edition)

ISSN: 1471-2407