The Board has granted the Veteran's claim for service connection for skin cancer, finding that his in-service exposure to sunlight likely caused his current condition.

The Board remands the claim for service connection for skin cancer to obtain an addendum medical opinion addressing the Veteran's exposure to jet fuel and firefighting foam.

The Veteran's diabetes mellitus type II is rated at 20 percent, but no higher. The Veteran’s bilateral hearing loss does not meet the criteria for a compensable rating.,The Veteran was granted service connection for tinnitus and obstructive sleep apnea, both of which are found to have onset in service. Service connection for hypertension, left knee disability, right knee disability, skin fungus (tinea pedis), skin cancer (basal cell carcinoma), and gastroesophageal reflux disorder (GERD) is also granted.,The Veteran's diabetes mellitus type II requires a restricted diet and regulation of activities but does not require insulin or hospitalizations. The Veteran’s bilateral hearing loss is rated at level I in both ears, resulting in no compensable rating.

The Board has decided to remand the Veteran's claims for COPD and skin cancer (basal cell carcinoma) due to insufficient medical opinions regarding their relationship to service. The Veteran is requested to undergo further examinations to determine if his conditions are related to his military service.

The veteran's claim for service connection for skin cancer, to include as due to Agent Orange exposure, was denied because the evidence did not show that his skin cancer is related to his active service.