The Veteran's appeals for service connection for basal cell and squamous cell carcinoma, as well as acute bronchitis, due to in-service exposure to an herbicide agent have been dismissed. The appeal for service connection for pulmonary crystals of the lung has been remanded.

The Veteran's claims for increased ratings and earlier effective dates are remanded due to the need for further development of his medical records. The Board will consider all submitted evidence, including private treatment records, during its review.

The Veteran's appeal for increased ratings and service connection was partially granted. Service connection was established for a low back disability, left lower extremity radiculopathy, and right lower extremity radiculopathy. The Veteran's claims for higher ratings for his service-connected left hip trochanteric pain syndrome (limitation of extension), limitation of flexion, and limitation of abduction/adduction were denied. His claim for a compensable rating for gastroenteritis was also denied. Service connection for obstructive sleep apnea was withdrawn from the appeal.

The Veteran's claims for service connection for a respiratory disability and gastrointestinal disability are being remanded due to the need for additional medical opinions regarding the etiology of his conditions, particularly in relation to his participation in TERA during active duty.

The Veteran's claim for service connection for a respiratory disability, including chronic cough and acute bronchitis, is remanded due to the need for an adequate medical opinion regarding the etiology of his current respiratory disabilities.