Table 3

Ratio of observed (O) to expected (E) cases of new solid cancers among recipients of allogeneic HCT using high-dose Bu-Cy conditioning for AML in CR1 and CML in CP1 by diagnosis and age at transplantation

Cancer siteDiagnosis
Age at transplantation
AML (N = 1742)
CML (N = 2576)
< 35 y (N = 2264)
35-50 y (N = 1685)
> 50 y (N = 369)
OO/EOO/EOO/EOO/EOO/E
All sites 22 1.61* 44 1.31 13 1.73 33 1.23 20 1.57 
Lip 36.58 36.63 36.00 
Tongue 8.83 9.42* 19.20 7.36 9.26 
Mouth 9.48 6.59 7.82 9.39 
Hypopharynx 21.86 18.68 
Esophagus 14.14* 9.32 25.86 8.71* 10.66* 
Colon 1.44 1.08 4.29 1.38 
Bronchus and lung 6.32 1.28 4.60 2.15 2.95 
Melanoma, skin 2.17 1.01 2.78 1.22 
Soft tissue 14.73* 3.54 20.88 
Breast 1.44 0.49 3.52* 
Uterine cervix 2.48 2.25 2.21 2.68 
Prostate 0.66 0.91 
Testis 1.72 1.75 
Kidney 1.03 1.25 
Bladder 1.06 1.47 
Brain and nervous system 2.87 4.19 3.72 10.70* 
Adrenal gland 37.84 46.15 
Other, unspecified 9.97 2.42 6.48 6.13* 
Cancer siteDiagnosis
Age at transplantation
AML (N = 1742)
CML (N = 2576)
< 35 y (N = 2264)
35-50 y (N = 1685)
> 50 y (N = 369)
OO/EOO/EOO/EOO/EOO/E
All sites 22 1.61* 44 1.31 13 1.73 33 1.23 20 1.57 
Lip 36.58 36.63 36.00 
Tongue 8.83 9.42* 19.20 7.36 9.26 
Mouth 9.48 6.59 7.82 9.39 
Hypopharynx 21.86 18.68 
Esophagus 14.14* 9.32 25.86 8.71* 10.66* 
Colon 1.44 1.08 4.29 1.38 
Bronchus and lung 6.32 1.28 4.60 2.15 2.95 
Melanoma, skin 2.17 1.01 2.78 1.22 
Soft tissue 14.73* 3.54 20.88 
Breast 1.44 0.49 3.52* 
Uterine cervix 2.48 2.25 2.21 2.68 
Prostate 0.66 0.91 
Testis 1.72 1.75 
Kidney 1.03 1.25 
Bladder 1.06 1.47 
Brain and nervous system 2.87 4.19 3.72 10.70* 
Adrenal gland 37.84 46.15 
Other, unspecified 9.97 2.42 6.48 6.13* 
*

P ≤ .05.

P ≤ .01.

Includes metastatic adenocarcinoma, unknown primary site (N = 2), metastatic squamous cell carcinoma, unknown primary site (N = 2), and metastatic round cell tumor, unknown primary site (N = 1).

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