The Board has granted a 10 percent rating for the Veteran's residuals of left ear tympanic membrane perforation, status post mastoidectomy with mastoiditis. A separate 10 percent rating is also granted for recurrent tinnitus as a residual manifestation.

The Veteran's acquired psychiatric disorder is not shown to be causally or etiologically related to any disease, injury, or incident during service.,The Veteran's bilateral knee disorder is not shown to be causally or etiologically related to any disease, injury, or incident during service.,A pre-existing mastoiditis or residuals thereof was not clearly and unmistakably aggravated beyond the natural progression by service, and a current mastoiditis-related condition is not shown to be causally or etiologically related to any disease, injury, or incident during service.,At no time during the pendency of the claim does the Veteran have a current disability related to CFS. His symptoms are attributed to known clinical diagnoses.,The Veteran's respiratory symptoms have been attributed to a known clinical diagnosis of chronic bronchitis/chronic obstructive pulmonary disease (COPD), which is not shown to be causally or etiologically related to any disease, injury, or incident during service.

The Board has denied the veteran's claims for increased evaluations and service connection for various conditions, including bilateral hearing loss, sleep apnea, mastoiditis, and vertigo. The duodenal ulcer is currently rated at 10%.

The Board denied the veteran's claim for an increased rating for his service-connected otitis media and mastoiditis with hearing loss, finding that the evidence did not warrant a higher evaluation than the current 10 percent.

The Board has determined that the veteran's otitis media and mastoiditis of the right ear were incurred during service, leading to a grant of service connection. Service connection for right ear hearing loss is also established.