Complex sentence: One aspect of NBCCS is that basal cell carcinomas will occur on areas of the body which are not generally exposed to sunlight, such as the palms and soles of the feet and lesions may develop at the base of palmer and plantar pits.
Split into simpler sentences: One aspect of NBCCS is that basal cell carcinomas will occur on non-sun-exposed areas of the body, such as the palms and soles of the feet. These lesions may develop at the base of palmer and plantar pits.